Traditionally known for its cooler temperatures, February in India has experienced significant warming in recent years. This trend is expected to continue, with global predictions indicating a sharp rise in heat stress. By 2050, the frequency of hot days and nights could increase by up to 50 percent, prompting concerns about whether Indian cities are adequately equipped to handle this escalating crisis.

Rapid Urban Population Growth

India’s urban demographic is projected to expand dramatically. The World Bank estimates that the urban population, which stood at approximately 480 million in 2020, could soar to 951 million by 2050 and reach around 1.1 billion by 2070. Over the last six decades, urbanization in India has surged sixfold, leading to increased demand for housing and infrastructure.

Housing Demands for the Future

The need for new housing units in urban areas is expected to be immense, with estimates suggesting that India will require around 144 million new dwelling units between 2022 and 2070. Alarmingly, data indicates that over half of the housing required by 2070 has yet to be constructed. By 2050, the population of households will be highest in Delhi, projected at 6,311,213, followed by Chennai with 4,948,905 households. Surat is expected to have 1,910,224 households, while Thiruvananthapuram and Indore will have 918,440 and 801,743, respectively. Furthermore, it is anticipated that nearly 70 percent of all new employment opportunities will be generated in urban areas by 2030.

Increasing Waste Generation

As urban populations grow, waste generation is also set to escalate. Urban solid waste in India was approximately 55 million tonnes in 2020. Projections suggest this figure could rise to 285 million tonnes by 2035, reaching an estimated 415 million tonnes by 2050.

Heat-Related Health Risks

The projected increase in heat exposure poses severe health risks, with heat-related fatalities possibly increasing from 144,000 annually to 328,500 by 2050. Historically, dangerous heat exposure in ten major cities has surged by 71 percent, with reported deaths in Chennai, Surat, and Lucknow ranging from 0.2 to 0.4 per 1,000 people each year. By 2050, the incidence of extremely hot days and nights could rise significantly in these urban centers.

Flooding as a Growing Concern

Urban flooding is becoming an increasingly critical issue in Indian cities due to rapid urban expansion, which results in more land being covered by concrete and diminishing natural drainage systems. This has led to more frequent and damaging stormwater floods. The estimated annual flood losses were around $2.4 billion in 2010, but projections indicate that losses could jump to $21 billion by 2030 and approximately $75 billion by 2050. Current annual urban flood-related losses are around $4 billion.

Investment Needs for Climate Resilience

In order to address these escalating risks, substantial investment will be necessary. Up to $2.4 trillion may be required by 2050 to develop low-carbon, climate-resilient infrastructure. This figure could rise further to about $10.9 trillion by 2070. Between 2011 and 2018, capital investment averaged only $10.6 billion per year, while currently, India allocates just 0.70 percent of its GDP to urban infrastructure, which is considerably less than that of many other nations. This expenditure will need to increase significantly to meet future challenges.

Strategies for Sustainable Urban Living

In response to these challenges, various major cities are formulating low-carbon strategies aimed at reducing greenhouse gas emissions. By 2050, emissions are anticipated to decline in cities like Chennai, New Delhi, Indore, and Thiruvananthapuram. Enhanced initiatives could foster cleaner urban growth and improve overall living standards in Indian cities.

Long or Short, get news the way you like. No ads. No redirections. Download Newspin and Stay Alert, The CSR Journal Mobile app, for fast, crisp, clean updates!

App Store –  https://apps.apple.com/in/app/newspin/id6746449540 

Google Play Store – https://play.google.com/store/apps/details?id=com.inventifweb.newspin&pcampaignid=web_share