One of the most carbon-polluting countries, India is also making huge efforts to harness the power of the sun, wind and other clean energy sources.
Most of the electricity in India, the world's most populous nation, still comes from coal, one of the dirtiest forms of energy. But coal's dominance is dropping, going from 60% of installed power capacity 11 years ago to less than 50% today, according to India's power ministry.
