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Inter-caste marriages occur between individuals from different castes of same religion, while interreligious marriages involve individuals from different religions. According to the National Family Health Survey, the overall rate of inter-religious marriage in India is 2.1% and 10% of marriages in India were inter-caste.

Increase in Intercaste Marriages with Socio-economic Parity

1. Urbanization and Modernization: Eg. NFHS-3 notes urban areas especially cities like Mumbai and Bangalore show 20% instances of intercaste marriages, well above that of rural areas.
2. Educational Attainment: Educated individuals are generally more liberal and open to marrying outside their caste. Eg. A study by sociologist Kapadia, notes 51% of parents of university graduates are supportive of their children marrying outside caste.
3. Economic independence: with greater economic mobility among women, there is growing trend of seeking partners with more compatibility than caste compulsions. 
4. Social networks expand with increased socio-economic parity. Eg. Punjab, where there is increased social networks especially post green revolution, witnessed more intercaste marriages(22.36%).
5. Family attitudes – socio-economic status have become important for social interaction, rather than purely caste based interaction. Preference is given to economic security and stability over caste

Lower interreligious marriages despite socio-economic parity

1. Strict religious identity and tradition: Castes in particular religion has same customs, but this is not the case for two different religions hence this barrier discourages marriage despite having socio-economic parity.
2. Fear of social exclusion and community pressure – As per NCRB there are more incidents of honor killing in interreligious marriages than in intercaste marriages
3. Cultural and Social Differences: Religious identity is often intertwined with cultural values, customs, and social norms. Marrying outside one’s religion is perceived as a challenge to family traditions and may involve significant cultural adjustments, making it less common.
4. Limited support system: unlike intercaste marriages which is supported by progressive and liberal segments, there is less support and talk about interreligious marriages.
5. Historical tensions and communal riots between religions like Hindu and Muslim, Hindu and Buddhist, Muslim and Christians, etc. left a long lasting scars and continue to influence decisions about marriages between them. 
6. Legal barriers like compulsory declaration and registration of interreligious marriages under Special Marriage Act, 1954, harming their privacy, right to choice and potentially threatening their life, deter couples from different religions to go for marriage.
7. Religious Conversions: Some families resist interreligious marriages because they do not want their children to convert or take on a new religious identity. Eg- Love Jihad controversy in Kerala and UP

By taking a proactive approach through education and community engagement, society can move toward greater acceptance of both intercaste and interreligious marriages, fostering social cohesion and promoting individual choice in personal relationships.

“I measure the progress of a community by the degree of progress which women have achieved.”  – Dr. B.R. Ambedkar

Importance of taking gender concerns into account in program design and implementation

Program Design:

1. Addressing Inequality: Designing programs that explicitly target gender-based disparities ensures that women and other marginalized groups have equal access to resources. Eg: In PM Awas Yojana (Housing for All), houses are registered in the names of women or jointly with men.
2. Ensuring Inclusivity: to consider the different needs of men, women, and non-binary individuals, ensuring equal opportunities and access. Eg: The National Rural Livelihood Mission (NRLM) focuses on empowering rural women through self-help groups (SHGs).
3. Meeting Legal and Policy Mandates:  Eg: Beti Bachao Beti Padhao aims to improve the gender ratio and ensure equal opportunities for girls in education to achieve targets under RTE.
4. Better Resource Allocation: Gender mainstreaming ensures that resources are distributed equitably based on the specific needs of men and women. Eg- In PM Ujjwala Yojana, directly improving women’s health and reducing indoor air pollution.
5. Promoting Sustainable Development by addressing long-term societal needs and promoting balanced growth. Eg: Mahila Kisan Sashaktikaran Pariyojana (MKSP) under the National Rural Livelihoods Mission promotes women’s roles in agriculture, contributing to sustainable agricultural practices and gender equality in rural economies.
6. Aligning with human rights principles such as non-discrimination and equality. By doing so, programmes can work towards fulfilling the rights of all individuals, regardless of gender.

Program Implementation:

1. Better Outcomes such as improved health, education, and economic growth for all. Eg: Kudumbashree scheme of Kerala.
2. Empowering Women and Marginalized Groups: Implementation strategies that prioritize women’s participation and decision-making empower them economically and socially. Eg: The MUDRA Yojana
3. Enhancing Social Cohesion: Eg: Mission Shakti in Odisha works towards creating a network of women’s self-help groups, fostering social cohesion through collective action and community participation.
4. Prevents Reinforcement of Gender Stereotypes: Gender-focused implementation helps adjust and correct strategies to avoid reinforcing harmful gender norms or adding burdens on specific groups.
5. Adapting to Ground Realities: Eg: National Rural Drinking Water Programme (NRDWP) adapted water schemes to reduce the burden on women, who traditionally fetched water, by bringing water sources closer to rural homes.

Gender mainstreaming is imperative for achieving SDG – 5 and upholding human rights globally.

The term “demographic winter” refers to a situation where birth rates fall significantly below the replacement level, leading to an aging population, a shrinking workforce, and economic challenges. By 2022, there were 771 million people aged 65 and older, making up about 10% of the global population. This figure is expected to rise to 16% by 2050, with further increases projected as life expectancy grows and fertility rates decline​.

Reasons behind demographic winter

1. Changing Family Dynamics: Delayed marriages, fewer children, and the rise of single-person households are leading to lower birth rates.
2. Low Religious Observance:  as per World Population Prospects 2024, Countries with low religious observance like Sweden, Denmark, Russia see lower birth rates and higher abortion rates.
3. Modernization Effects: Urbanization and economic changes often shift societal values away from family-oriented lifestyles, discouraging childbirth. 
4. Economic Factors: High living costs and economic instability make raising children less feasible for many families, resulting in delayed or reduced family planning. Eg. cost of living index in Mumbai is approximately 30% higher than the national average.
5. Changing socio-cultural norms like prioritizing individualism, education and career over family. Eg. In USA, TFR declined to 1.8 as compared to 4.5 in 1950 because of more women are pursuing education and career over marriage.
6. Advancements in Health: While modern medicine has extended life expectancy, contributing to aging populations, fertility treatments and contraception allow for better control of reproductive choices, often leading to fewer children.

Countries showing signs of Demographic Winter

While not every region is experiencing demographic winter, many parts of the world—especially in developed countries—are showing signs of this phenomenon.

1. Europe: fertility rates in  Spain, Germany, Italy, Russia, and Japan are all around 1.4, and Latvia’s and Poland’s are near 1.3 – well below 2.1.
2. East Asia: Japan’s population is already shrinking, with fertility rates around 1.3, and South Korea has one of the lowest fertility rates in the world at just 0.8. 
3. North America: The U.S. birth rate is below replacement level, though it is partly offset by immigration. Without sufficient immigration, the U.S. would also face a demographic winter.
4. China: After decades of the one-child policy, China is now facing a declining birth rate and a rapidly aging population. 
5. India – As per the fifth NFHS 2019-21, the TFR in India has declined to 2.0 children per woman
6. However in many developing countries in Africa like Nigeria, Ethiopia,etc. And in Bangladesh, Pakistan TFR is still above 4.0

Addressing ‘Depopulation threat’ requires a multifaceted approach that prioritizes sustainable population growth and economic stability.

According to the India Meteorological Department (IMD), 100 mm of rain in one hour is called a cloudburst. Usually, cloudbursts occur over a small geographical region of 20 to 30 square kilometers. Ministry of Earth Science reported(2021) that due to climate change from 1969 there is increased incidence of 5 cloudburst per decade especially on Westcoast and Himalayan region.

Mechanism of Cloudbursts

1. Clouds condense – When moisture-carrying air climbs a mountainous terrain, it forms vertical columns of clouds called cumulonimbus clouds. These clouds produce rain, thunder, and lightning
2. orographic lift – The unstable clouds generate a strong deluge over a constrained region after becoming heavy enough and locking in the valleys and ridges between the hills
3. The air’s upward momentum provides the cloudburst with the energy it needs to occur. Most cloudbursts take place between 1,000 and 2,500 metres above sea level, and they are followed by significant flooding and landslides. 
4. Atmospheric disturbances: Low-pressure systems lead to the rapid development of convective clouds and heavy rain. Eg-  cloud bursts and heavy rainfall during cyclonic events in Odisha
5. Convergence of air masses: The collision of warm, moist air with cooler, denser air lead to rapid upward movement of warm air causing Cloudbrust
6. High Humidity Levels: Eg- Mumbai (2005) experienced a cloudburst due to extremely high humidity levels coupled with monsoon winds. Over 944 mm of rain fell in a single day, leading to severe flooding and disruption.

Consequences of cloudbursts 

1. Flash Floods triggered by severe thunderstorms, dam failures, or rapid snowmelt. Eg- Himachal Pradesh and Uttarakhand Flash Floods in August 2022
2. Landslides: involving the downward movement of rock, earth, or debris. Eg- Landslide in Pithoragarh district of Uttarakhand
3. Spread of communicable diseases – Waterborne diseases (cholera, typhoid fever etc.,), vector-borne diseases (dengue, malaria etc.,) spreads rapidly during floods.
4. Disruption of communication – It damages transportation links such as bridges, rail, and power plants thus causing communication disruption.
5. Coastal cities- flash floods make the conventional stormwater and flood management policies in these cities dysfunctional. Eg- Chennai floods

NDMA Guidelines for Effective Mitigation of the Impact of Cloud Bursts

1. Early warning systems
2. Disaster preparedness: emergency plans involving evacuation routes and safe locations.
3. Infrastructure improvement: drainage systems, embankments etc.
4. Land-use planning: Implementing Mishra Committee Report

Deploying Multiple Doppler weather radars to monitor moving cloud droplets and to provide forecast for the next 3 hours along with  Proper community sensitisation regarding the causes, effects and safety precautions of cloudbursts is the need of the hour.

Urban migration refers to the movement of people from rural areas to cities, primarily in search of better employment opportunities and improved living standards. As per Periodic Labour Force Survey, rural-to-urban migration, represents 18.9% of total internal migration in India. World migration report 2024 indicates that urban migration, especially to larger tier 1 and 2 cities becoming common skipping smaller towns with 750 million people migrating to urban areas.

Pull Factors for large cities attracting more migrants than smaller towns

1. Economic Opportunities: large cities offer wide range of jobs and higher wages in manufacturing and services sectors as compared to smaller towns. 
2. Access to Better Services: superior healthcare, education facilities in large cities compared to rural and small town make way for more ease of living. Eg. JNU in Delhi
3. Superior Infrastructure: better transportation, utilities, and amenities in large cities that enhance quality of life, making them appealing destinations for migrants. Eg- Nairobi has advanced hospitals and public transport compared to rural Kenyan towns.
4. Political and institutional support: large cities like Ho Chi Minh City in Vietnam, shanghai in China or Chittagong in Bangladesh are focus of government policies, investments and FDI, making them hub of economic activities attracting migrants. 
5. Social Reasons:

1. Presence of Social Networks: established migrant communities in large cities provide support and resources for newcomers, facilitating their integration and job searches.
2. Cultural and Social Mobility – Cities offer a modern lifestyle. In São Paulo, Brazil, migrants are attracted to the cosmopolitan environment and entertainment options that smaller towns lack.
3. Perceptions about growth, prosperity and modernity attract more migrants to large cities rather than smaller towns. Eg. mumbai’s image as city of dreams.

However, smaller cities are also attracting migrants in recent years

1. Lower Cost of Living: For example, in India, living in a smaller town like Coimbatore is far cheaper than in Mumbai.
2. Less Congestion and Pollution: Smaller towns offer a cleaner environment with less traffic congestion and pollution compared to big cities. 
3. Closer Community and Social Ties: Smaller towns often have stronger community bonds, where individuals feel more connected and supported by local networks, unlike the anonymity of big cities. This appeals to migrants looking for a close-knit society.
4. Decreasing Urban Job Opportunities: As big cities face saturation of jobs, smaller towns have become attractive due to the rise of industries and remote working opportunities. For example, the growth of IT hubs in smaller cities like Kochi in India.

Initiatives like Smart Cities Mission should be extended to smaller towns, while rural job programs like MGNREGA need to be strengthened to make rural living more viable and ensure decentralized development.

Sea surface temperature (SST) rise refers to the increase in the temperature of the uppermost layer of the ocean, primarily caused by global warming due to greenhouse gas emissions. According to Copernicus Climate Change Service, the average global SST for February 2024 was 21.06 degrees Celsius, the highest level since 1979. 

Factors leading to rise in sea surface temperature

1. Emissions of greenhouse gases – the average global temperature has risen at least 1.2 degree Celsius above pre-industrial times.  Almost 90% of the extra heat trapped by GHGs has been absorbed by the oceans
2. El Niño Events: The El Niño–Southern Oscillation (ENSO) leads to periodic warming of the central and eastern Pacific Ocean.
3. Ice Melt: The melting of polar ice caps and glaciers reduces the reflection of sunlight (albedo effect), causing more heat to be absorbed by the ocean, raising sea surface temperatures.
4. Natural Variability: While human activities are the primary driver of recent ocean warming, natural factors such as volcanic eruptions, changes in solar radiation, and ocean currents also play a role in short-term variations in ocean temperature, however these effects intensified by anthropogenic emissions.

How does rising of sea surface temperature leads to formation of Tropical Cyclones

Sea surface temperature rise leading to the formation of cyclones

Cyclones are caused by atmospheric disturbances around a low-pressure area distinguished by swift and often destructive air circulation. Cyclones are usually accompanied by violent storms and bad weather.

1. Tropical cyclones derive their source of energy—heat and moisture—from the warm waters of the ocean. 
2. High sea surface temperatures (SSTs) of magnitude 28–29°C and above provide favorable conditions for the genesis and evolution of cyclones, Eg. Sea surface temperatures (SSTs) leading to cyclogenesis in the Arabian Sea are 1.2–1.4°C higher in recent decades, compared to SSTs four decades ago.
3. Rising Warm Air: Warm, moist air near the ocean surface rises, creating a low-pressure area that draws in cooler surrounding air.
4. More intense storms – The difference in temperature between the ocean’s surface and the upper air energizes tropical storms. Warmer SSTs increase this difference, which can lead to larger, faster, and more powerful storms. 
5. More category 4 and 5 storms – The IPCC predicts that as the world warms, a higher proportion of tropical cyclones will reach Category 4 and 5, the most intense categories.

Adopting a Six-Sector Solution, developed by UNEP to reduce GHG Emissions and achieve Paris Agreement commitments is the need of an hour.