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GS Paper: GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.

  • What are ‘Green Jobs’, mentioned by PM in his Environment Day speech?

    At an event to mark World Environment Day recently, PM mentioned India’s efforts to create ‘green jobs’.

    What are ‘Green Jobs’?

    • ‘Green jobs’ refer to a class of jobs that directly have a positive impact on the planet, and contribute to the overall environmental welfare.
    • Jobs involving renewable energy, conservation of resources, ensuring energy efficient means are categorised under the same.
    • In all, they are aimed at reducing the negative environmental impact of economic sectors and furthering the process of creating a low-carbon economy.
    • The idea behind a low-carbon economy or decarbonisation is fairly simple — it is about maintaining a sustainable economy.

    India and ‘green jobs’

    • The Skill Council for Green Jobs was launched by the Union government on October 1, 2015.
    • Aligned to the National Skill Development Missions, it was set up to be a not-for-profit, independent, industry-led initiative.

    Why need Green Jobs?

    • The UNEP’s 2019 Emissions Gap report dictates that it is essential for greenhouse gas emissions to reduce by 7.6% per annum between the years 2020 to 2030.
    • This is necessary to reach the target that was set during the Paris Agreement.
    • Failing to meet the same would consequently result in a failure to effectively combat global warming.
    • Consequently, a decarbonized economy plays a key role in ensuring a greener, safer, healthier and more sustainable planet to inhabit.

    Way forward

    • According to the ILO, India moving to a green economy by the next decade would alone create about 3 million jobs in the renewable energy sector.
    • The renewable energy sector created about 47,000 new jobs in 2017 accounting for a 12% increase in just the span of a year.
    • For India ‘green jobs’ can prove immensely useful to the country with sectors like renewable energy, waste management, green transport and urban farming.
    • An integrated, systematic approach is crucial to ensuring this.

     

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  • World’s first Fishing Cat Census done in Chilika

    The Chilika Lake, Asia’s largest brackish water lagoon, has 176 fishing cats, according to a census done by the Chilika Development Authority (CDA) in collaboration with the Fishing Cat Project (TFCP).

    About Fishing Cats

    • About twice the size of a typical house cat, the fishing cat is a feline with a powerful build and stocky legs.
    • It is an adept swimmer and enters water frequently to prey on fish as its name suggests.
    • It is known to even dive to catch fish.
    • It is nocturnal and apart from fish also preys on frogs, crustaceans, snakes, birds, and scavenges on carcasses of larger animals.
    • It is capable of breeding all year round but in India its peak breeding season is known to be between March and May.

    Conservation status

    • IUCN Red List: Endangered
    • CITES: Appendix II
    • Indian Wildlife (Protection) Act, 1972: Schedule I

    Various threats

    • One of the major threats facing the fishing cat is the destruction of wetlands, which is its preferred habitat.
    • As a result of human settlement, drainage for agriculture, pollution, and wood-cutting most of the wetlands in India are under threat of destruction.
    • Another threat to the fishing cat is the depletion of its main prey-fish due to unsustainable fishing practices.
    • It is also occasionally poached for its skin.

    Back2Basics: Chilika Lake

    • Chilika Lake is a brackish water lagoon, spread over the Puri, Khurda and Ganjam districts of Odisha.
    • It is located at the mouth of the Daya River, flowing into the Bay of Bengal, covering an area of over 1,100 km2.
    • It is the largest coastal lagoon in India and the largest brackish water lagoon in the world after The New Caledonian barrier reef.
    • It has been listed Ramsar Site as well as a tentative UNESCO World Heritage site.

    Its formation

    • The process of the formation of the Chilika might have begun in the latter part of the Pleistocene epoch, around 20,000 years ago.
    • India’s peninsular river Mahanadi carried a heavy load of silt and dumped part of it at its delta.
    • As the sediment-laden river met the Bay of Bengal, sand bars were formed near its mouth.
    • These created a backflow of the seawater into the sluggish fresh water at the estuary, resulting in the huge brackish water lake.
    • Marine archaeological studies on the Odisha coast clearly show that the Chilika once acted as a safe harbor for cargo ships bound for Southeast Asia and other parts of the world.

     

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  • E-Waste Recycling in India

    Attero Recycling, one of India’s largest electronic waste management companies, is set to invest close to $1 billion in expanding their electronic waste recycling facilities in India.

    E-waste Management: A tricky task

    • E-waste management is a complicated process given the multitude of actors that are involved in the process.
    • The major stakeholders in the value chain include importers, producers/manufacturers, retailers (businesses/government/others), consumers (individual households, businesses, government and others), traders, scrap dealers, dissemblers/dismantlers and recyclers.
    • To critically assess each in the different stages of processing, it is important to understand the e-waste value chain.
    • The process involves four stages: generation, collection, segregation and treatment/disposal.

    India’s regulatory ecosystem

    • Indian electronics sector boomed in the last decade.
    • Increased production and penetration of imported electronics items led to an accelerated e-waste generation that necessitated regulatory control over the sector.
    • India has Electronic Waste (Management and Handling) Rules 2011 in place since . Its scope was expanded in 2016 and 2018 through amendments.

    Provisions of the 2011 Rules

    • To streamline e-waste management, the Government introduced Extended Producer Responsibility (EPR) whereby producers were required to collect and recycle electronic items.
    • Since manufacturers were incurring the disposal cost, their designs would incorporate less toxic and easily recyclable materials, thereby reducing input material requirements.

    Inherent flaws in Implementation

    • Recycling: Less than five percent of the waste is treated through formal recycling facilities.
    • Informal sector: The rest is handled by the informal sector with very little enforcement of environmental and occupational safety norms.
    • Weak Regulations: A deeper analysis revealed that the EPR regulations in India were not quantified through collection or recycling targets as in other countries with better implementation framework and mechanisms.
    • Lack of incentivization: In the absence of targets, producers had little incentive to ensure the collection of their used products.

    Current scenario and issues in e-waste recycling

    • Crude and Scrappage: As of today, some 95% of e-waste is managed by the informal sector which operates under inferior working conditions and relies on crude techniques for dismantling and recycling.
    • Infrastructure lacunae: Another important issue is the lack of sufficient metal processing infrastructure which is why recyclers have to export materials to global smelters.
    • Price competencies: As aggregators are mostly informal, they demand up-front cash payments.
    • Bloomed informal network: The informal network is well-established and rests on social capital ties that PROs have yet to establish and are hence insulated from reaching the viable number of aggregators.
    • Policy failure: Policy changes have tried repeatedly to formalize the sector, but issues of implementation persist on the ground.

    Way forward

    • Effective design: Since India is highly deficient in precious mineral resources, there is a need for a well-designed, robust and regulated e-waste recovery regime that would generate jobs and wealth.
    • Consumer responsibility: The consumers must responsibly consume the product for its useful life and then weigh between the chances of repair or disposal with utmost consciousness towards the environment.
    • Recyclable products: On the supply side, e-waste can be reduced when producers design electronic products that are safer, and more durable, repairable and recyclable.
    • Reuse: Manufacturers must reuse the recyclable materials and not mine rare elements unnecessarily to meet new production.
    • Commercial recycling: Rather than hoping that informal recyclers become formal it would be more feasible for companies and the state to design programs ensure e-waste easily makes its way to proper recyclers.

     

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  • Keep ESZ of 1 Km around Forests: SC

    The Supreme Court has directed that every protected forest, national park and wildlife sanctuary across the country should have a mandatory eco-sensitive zone (ESZ) of a minimum one km starting from their demarcated boundaries.

    Why such move?

    • The purpose of declaring ESZs around national parks, forests and sanctuaries is to create some kind of a “shock absorber” for the protected areas.
    • These zones would act as a transition zone from areas of high protection to those involving lesser protection.

    What are the Eco-sensitive Zones (ESZs)?

    • Eco-Sensitive Zones (ESZs) or Ecologically Fragile Areas (EFAs) are areas notified by the MoEFCC around Protected Areas, National Parks and Wildlife Sanctuaries.
    • The purpose of declaring ESZs is to create some kind of “shock absorbers” to the protected areas by regulating and managing the activities around such areas.
    • They also act as a transition zone from areas of high protection to areas involving lesser protection.

    How are they demarcated?

    • The Environment (Protection) Act, 1986 does not mention the word “Eco-Sensitive Zones”.
    • However, Section 3(2)(v) of the Act, says that Central Government can restrict areas in which any industries, operations or processes or class of industries, operations or processes shall be carried out or shall not, subject to certain safeguards.
    • Besides Rule 5(1) of the Environment (Protection) Rules, 1986 states that central government can prohibit or restrict the location of industries and carrying on certain operations or processes on the basis of certain considerations.
    • The same criteria have been used by the government to declare No Development Zones (NDZs).

    Defining its boundaries

    • An ESZ could go up to 10 kilometres around a protected area as provided in the Wildlife Conservation Strategy, 2002.
    • Moreover, in the case where sensitive corridors, connectivity and ecologically important patches, crucial for landscape linkage, are beyond 10 km width, these should be included in the ESZs.
    • Further, even in the context of a particular Protected Area, the distribution of an area of ESZ and the extent of regulation may not be uniform all around and it could be of variable width and extent.

     

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  • Posidonia Australis: World’s Largest Plant

    The world’s largest plant has recently been discovered off the West Coast of Australia: a seagrass 180 km in length.

    Posidonia australis

    • The ribbon weed, or Posidonia australis, has been discovered in Shark Bay by a group of researchers from Flinders University and The University of Western Australia.
    • These researchers have also found that the plant is 4,500 years old, is sterile, has double the number of chromosomes than other similar plants.
    • It has managed to survive the volatile atmosphere of the shallow Shark Bay.

    So how remarkable is this plant’s size?

    • The ribbon weed covers an area of 20,000 hectares.
    • The next on the podium, the second largest plant, is the clonal colony of a quaking Aspen tree in Utah, which covers 43.6 hectares.
    • The largest tree in India, the Great Banyan in Howrah’s Botanical Garden, covers 1.41 hectares.

    If it is so large, how come it has just been discovered?

    • The existence of the seagrass was known, that it is one single plant was not.
    • Researchers were interested in what they then thought was a meadow because they wanted to study its genetic diversity, and collect some parts for seagrass restoration.

    How did it grow, and survive for, so long?

    • Sometime in the Harappan era, a plant took root in the Shark Bay.
    • Then it kept spreading through its rhizomes, overcoming everything in its way, and here we are today.
    • Ribbon weed rhizomes can usually grow to around 35cm per year, which is how the scientists arrived at its lifespan of 4,5000 years.
    • The researchers found that the ribbon weed cannot spread its seeds, something that helps plants overcome environmental threats.
    • Also, Shark Bay sees fluctuations in temperature and salinity and gets a lot of light, conditions challenging for any plant.

    Ecological significance

    • Because seagrass performs a vital role in the environment, and if some of it is hardy, it is good news for everyone in a world threatened by climate change.
    • In India, seagrass is found in many coastal areas, most notably in Gulf of Mannar and Palk Strait.
    • Apart from being home to a variety of small organisms, seagrass trap sediments and prevent water from getting muddy, absorb carbon from the atmosphere, and prevent coastal erosion.

     

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  • Species in news: Eublepharis pictus

    A gecko found in Visakhapatnam in 2017, then thought to belong to a known species, has now been identified as a member of a new species.

    Eublepharis pictus

    • The species, Eublepharis pictus, also known as the Painted Leopard Gecko, has been described in the journal Evolutionary Systematics.
    • Phylogenetic study and morphological comparisons have distinguished it as a new species.
    • It is endemic to the forests of Andhra Pradesh and Odisha.
    • The gecko genus Eublepharis now has 7 species.

    Conservation status

    • The species occurs outside protected areas.
    • Most leopard geckos are killed when encountered.
    • Activists have called for raising awareness about the fact that the species is actually harmless.

     

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  • What are Community Forest Rights?

    The Chhattisgarh government has become the only second state in the country to recognize the Community Forest Resource (CFR) rights of a village inside a national park.

    What is the news?

    • The CFR rights of tribals living in a hamlet inside the Kanger Ghati National Park in Bastar district, were recognised.
    • It gave the community the power to formulate rules for forest use.

    Try this PYQ first:

    Q.Under the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006, who shall be the authority to initiate the process for determining the nature and extent of individual or community forest rights or both?

    (a) State Forest Department

    (b) District Collector/Deputy Commissioner

    (c) Tahsildar/Block Development Officer/Mandal Revenue Officer

    (d) Gram Sabha

     

     

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    What is a Community Forest?

    • The community forest resource area is the common forest land that has been traditionally protected and conserved for sustainable use by a particular community.
    • The community uses it to access resources available within the traditional and customary boundary of the village; and for seasonal use of landscape in case of pastoralist communities.
    • Each CFR area has a customary boundary with identifiable landmarks recognised by the community and its neighboring villages.
    • It may include forest of any category – revenue forest, classified & unclassified forest, deemed forest, DLC land, reserve forest, protected forest, sanctuary and national parks etc.

    Legal basis for Community Forest Resource (CFR) rights

    • The CFR rights are acknowledged under the Section 3(1) (i) of the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act.
    • This is commonly referred to as the Forest Rights Act or the FRA.
    • It aims to provide for recognition of the right to “protect, regenerate or conserve or manage” the community forest resource.
    • These rights allow the community to formulate rules for forest use by itself and others and thereby discharge its responsibilities under Section 5 of the FRA.

    Nature of rights included

    • CFR rights, along with Community Rights (CRs) under Sections 3(1)(b) and 3(1)(c), which include: nistar rights and rights over non-timber forest products, ensure sustainable livelihoods of the community.
    • ‘Nistar’ means the concession granted for removal from forest coupes (small trees) on payment at stipulated rates, specified forest produce for bonafide domestic use, but not for barter or sale.
    • These rights give the authority to the Gram Sabha to adopt local traditional practices of forest conservation and management within the community forest resource boundary.

    Why is the recognition of CFR rights important?

    • Aimed at undoing the “historic injustice” meted out to forest-dependent communities due to curtailment of their customary rights over forests, the FRA came into force in 2008.
    • It is important as it recognises the community’s right to use, manage and conserve forest resources, and to legally hold forest land that these communities have used for cultivation and residence.
    • It also underlines the integral role that forest dwellers play in the sustainability of forests and in the conservation of biodiversity.
    • It is of greater significance inside protected forests like national parks, sanctuaries and tiger reserves as traditional dwellers then become a part of management of the protected forests.

    How many CFR certificates have been given in Chhattisgarh?

    • According to state government officials, Chhattisgarh has recognised nearly 4,000 CFR rights in the state.
    • Kanger Ghati National Park is the second national park, after Simlipal in Odisha, where CFR rights have been recognised.

     

     

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  • System of Rice Intensification (SRI) Technique

    Experts in Punjab has said that System of Rice Intensification (SRI) Technique is beneficial for the soil, environment and farmers at par with the Direct Seeding of Rice (DSR) technique.

    What is SRI technique?

    • SRI was first developed in Madagascar in the 1980s and since then several countries in the world have been practising it, including India.
    • It promises to save 15 to 20% ground water, improves rice productivity, which is almost at a stagnant point now.
    • Experts said that it gives equal or more produce than the conventional rice cultivation, with less water, less seed and less chemicals.
    • The net effect is a substantial reduction in the investments on external inputs.

    How does it take place in the field and in which soil?

    • First, the field is prepared by ploughing.
    • It should be laser levelled before transplanting for proper water management and efficiency for a good crop stand.
    • Then irrigation is applied in the field which is not a flooding of field like traditional methods but less than that of a well irrigated field.
    • Then 10-12 days old nursery (young paddy plants) along with soil particles around the root with minimum disturbance to the roots are transplanted in lines.
    • They are marked at a distance of 10 inches from each other with the help of a rope meter.

    Benefits over DSR technique

    • Unlike DSR, which is suitable only for mid to heavy textured soils, SRI is suitable in all types of soil including less fertile soil as in such soil the number of seedlings can be increased to double.
    • Under SRI 2kg seed is required to grow a nursery for one acre against 5kg seed required in the traditional method.

    Does the SRI method require continuous flooding after transplantation of nursery?

    • In traditional sowing from the day of transplanting till the crop turns 35-40 days fields are kept under flood-like conditions.
    • And then fields are filled every week till a few weeks before harvesting.
    • But SRI doesn’t require continuous flooding, it needs intermittent irrigation.
    • Indeed the plants’ roots should not be starved for oxygen through flooding.
    • Irrigation is given to maintain soil moisture near saturation initially, and water is added to the field when the surface soil develops hairline cracks.

    What are the limitations of SRI?

    • If unchecked, greater weed growth will cause substantial loss of yield.
    • In Punjab, it is not promoted by the government except demonstration plots sown over a decade ago.
    • It can be sustainable if organic inputs in the soil structure are maintained.

    Try this PYQ:

    Q.With reference to the current trends in the cultivation of sugarcane in India, consider the following statements:

    1. A substantial saving in seed material is made when ‘bud chip settlings are raised in a nursery and transplanted in the main field.
    2. When direct planting of setts is done, the germination percentage is better with single-budded setts as compared to setts with many buds.
    3. If bad weather conditions prevail when setts are directly planted, single-budded setts have better survival as compared to large setts.
    4. Sugarcane can be cultivated using settlings prepared from tissue culture.

    Which of the statements given above is/are correct?

    (a) 1 and 2 only

    (b) 3 only

    (c) 1 and 4 only

    (d) 2,3 and 4 only

     

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  • Species in news: Sela Macaque

    A new species of old world monkey recorded from Arunachal Pradesh has been named after a strategic Sela pass at 13,700 ft above sea level.

    Sela macaque (Macaca selai).

    • This new primate was identified and analysed by a team of experts from the Zoological Survey of India (ZSI) and the University of Calcutta.
    • Earlier it was called as White- Cheeked Macaque displaying white cheeks, long and thick hairs on the neck area, and a longer tail.
    • Their study has been published in the latest edition of Molecular Phylogenetics and Evolution.
    • Phylogenetics relate to the evolutionary development and diversification of a species or group of organisms.
    • The phylogenetic analysis revealed that the Sela macaque was geographically separated from the Arunachal macaque (Macaca munzala) of Tawang district by Sela.
    • This mountain pass acted as a barrier by restricting the migration of individuals of these two species for approximately two million years.

    Protection status

    • It has NOT been yet included in the Wildlife (Protection) Act, 1972 of India.
    • The potential threat to all species of macaques in the landscape is due to hunting by locals for consumption and habitat degradation due to urbanization and infrastructure development.

     About Sela Pass

    • The Sela Pass is a high-altitude mountain pass located on the border between the Tawang and West Kameng districts in Arunachal Pradesh.
    • It has an elevation of 4170 m and connects the Indian Buddhist town of Tawang to Dirang and Guwahati.
    • The pass supports scarce amounts of vegetation and is usually snow-covered to some extent throughout the year.
    • While Sela Pass does get heavy snowfall in winters, it is usually open throughout the year unless landslides or snow require the pass to be shut down temporarily.
    • The strategically-significant Sela Tunnel project is now nearing completion well before the deadline.

     

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  • Green Hydrogen: Fuel of the Future

    India aspires to emerge as the leader of green hydrogen by taking advantage of the current energy crisis across the globe.

    Why in news?

    • Oil India Limited (OIL) has commissioned India’s first 99.99% pure green hydrogen plant in eastern Assam’s Jorhat.
    • Powered by a 500 KW solar plant, the green hydrogen unit has an installed capacity to produce 10 kg of hydrogen per day and scale it up to 30 kg per day.

    What is Hydrogen?

    • Hydrogen is the lightest, simplest and most abundant member of the family of chemical elements in the universe.
    • It is colourless, odourless, tasteless, non-toxic and highly combustible gaseous substance.

    What is Green hydrogen?

    • Green hydrogen is the one produced with no harmful greenhouse gas emissions.
    • It is made by using clean electricity from surplus renewable energy sources, such as solar or wind power, to electrolyse water.
    • Electrolysers use an electrochemical reaction to split water into its components of hydrogen and oxygen, emitting zero-carbon dioxide in the process.
    • Green hydrogen currently makes up a small percentage of the overall hydrogen, because production is expensive.

    Why is India pursuing green hydrogen?

    • Under the Paris Agreement of 2015, India is committed to reducing its greenhouse gas emissions by 33-35% from the 2005 levels.
    • It is a legally binding international treaty on climate change with the goal of limiting global warming to below 2°C compared to pre-industrial levels.
    • At the 2021 CoP in Glasgow, India reiterated its commitment to move from a fossil and import-dependent economy to a net-zero economy by 2070.
    • India’s average annual energy import bill is more than $100 billion .
    • The increased consumption of fossil fuel has made the country a high CO2 emitter which accounts for nearly 7% of the global CO2 burden.

    Various policy moves

    • In order to become energy independent by 2047, the government stressed the need to introduce green hydrogen as an alternative fuel that can make India the global hub and a major exporter of hydrogen.
    • The National Hydrogen Mission was launched on August 15, 2021, with a view to cutting down carbon emissions and increasing the use of renewable sources of energy.

    How much green hydrogen is India producing?

    • India has just begun to generate green hydrogen with the objective of raising non-fossil energy capacity to 500 gigawatts by 2030.
    • It was on April 20, 2022 that the public sector OIL, which is headquartered in eastern Assam’s Duliajan, set up India’s first 99.99% pure green hydrogen pilot plant.
    • Research and development efforts are ongoing for a reduction in the cost of production, storage and the transportation of hydrogen.

    What are the advantages of hydrogen as a fuel?

    • Hydrogen can be used to produce electricity using fuel cells.
    • Hydrogen, thus, can act as an energy storage device and contribute to grid stability.
    • The oxygen, produced as a by-product (8 kg of oxygen is produced per 1 kg of hydrogen), can also be monetised by using it for industrial and medical applications or for enriching the environment.

    Limitations to Hydrogen

    • Despite being the most abundant element in the Universe, hydrogen does not exist on its own so needs to be extracted from water via electrolysis or separated from carbon fossil fuels.
    • Hydrogen fuel cells need huge investment to be developed to the point where they become a genuinely viable energy source.
    • This will also require the political will to invest the time and money into development in order to improve and mature the technology.
    • Precious metals such as platinum and iridium are typically required as catalysts in fuel cells meaning unfeasibly high cost.
    • There are also barriers around regulatory issues concerning the framework that defines commercial deployment models.
    • Storage and transportation of hydrogen is more complex than that required for fossil fuels due to its high inflammability.

    Back2Basics:  Colours spectrum of Hydrogen

    (1) Green hydrogen

    (2) Blue hydrogen

    • It is produced mainly from natural gas, using a process called steam reforming, which brings together natural gas and heated water in the form of steam.
    • The output is hydrogen – but also carbon dioxide as a by-product.
    • That means carbon capture and storage (CCS) is essential to trap and store this carbon.
    • Blue hydrogen is sometimes described as ‘low-carbon hydrogen’ as the steam reforming process doesn’t actually avoid the creation of greenhouse gases.

    (3) Grey hydrogen

    • Currently, this is the most common form of hydrogen production.
    • Grey hydrogen is created from natural gas, or methane, using steam methane reformation but without capturing the greenhouse gases made in the process.

    (4) Black and brown hydrogen

    • Any hydrogen made from fossil fuels through the process of ‘gasification’ is sometimes called black or brown hydrogen interchangeably.
    • They are the most environmentally damaging.

    (5) Pink hydrogen

    • Pink hydrogen is generated through electrolysis powered by nuclear energy.
    • Nuclear-produced hydrogen can also be referred to as purple hydrogen or red hydrogen.
    • In addition, the very high temperatures from nuclear reactors could be used in other hydrogen productions by producing steam for more efficient electrolysis or fossil gas-based steam methane reforming.

     

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