Short-term solution to India's hot summers worsening long-term problem

Key Concepts:

• Heatwaves in India
• Air conditioner (AC) demand and market growth
• Urban heat island effect
• Energy consumption and coal dependence
• Climate change feedback loop
• Sustainable building practices

1. Heatwaves and Vulnerability:

• India is bracing for a two-fold increase in heatwave days this year.
• 80% of India's population is vulnerable to the impact of heat waves, which are claiming more lives each year.
• Example: Sheetal Kumari's family in a New Delhi slum finds living inside unbearable during summer due to poorly ventilated homes.

2. Air Conditioner Demand and Market Growth:

• India is set to be the fastest-growing market for ACs globally.
• The International Energy Agency (IEA) projects over 1 billion ACs in operation in India by 2050.
• Sheetal's family rents two ACs for $350 for 3 months, as buying one would cost double.
• AC usage leads to inflated power bills, straining limited finances.

3. ACs and the Urban Heat Island Effect:

• ACs contribute to the urban heat island effect by pushing hot air outside, making cities hotter than surrounding areas.
• Rakshit Kotan's Mumbai business, which supplies ACs to daily wage laborers and factory workers, is busier than ever.

4. Energy Consumption and Coal Dependence:

• Running ACs requires burning more coal, which accounts for 55% of India's national energy mix.
• During last year's heatwave, AC usage jumped by more than 10% from the previous year, according to Ember.

5. Climate Change Feedback Loop:

• Human-driven climate change leads to hotter days, increasing the need for cooling units powered by fossil fuels, creating a seemingly endless loop.

6. Sustainable Building Practices as a Solution:

• Adash Kapoor suggests reducing reliance on ACs by implementing building construction and maintenance techniques that prevent heat from entering buildings.
• Examples of such techniques include:
  • Thicker walls
  • Walls that reflect heat rather than retaining it
  • Green roofs
  • Lighter-colored walls to reflect sunlight
• These solutions are often not within reach for families like Sheetal's.

7. Conclusion:

• India faces a growing challenge with increasing heatwaves and reliance on ACs, which exacerbate climate change.
• Sustainable building practices offer a long-term solution, but are currently inaccessible to many vulnerable populations.
• For families like Sheetal's, ACs remain the only viable option for surviving the extreme heat, despite the financial and environmental costs.