Greener cities in areas of high rainfall are likely to offset stronger heatwaves because plants release water vapour during photosynthesis, which has a cooling effect.
On colour-coded temperature charts, the Indian subcontinent is currently a sickly mauve. With summer still months away, an unusually intense heatwave is threatening millions of people there. Temperatures are expected to exceed 48°C on the border between Pakistan and India this week. A month ago, the heat broke a 122-year-old record. What can people do to weather the worst and prepare for a future of extreme heat?
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