India feels the heat: Country reels from unusually early heatwave

Earlier this month, India's northwest sweltered under a heatwave that came unusually early. Every year, hundreds of people die during heatwaves in India and the country usually also suffers severe water shortages. There are fears that because of climate change, heatwaves are coming earlier and may be more severe. Nagraj Adve, a climate activist and author of "Global Warming in the Indian Context", tells us more.