renewable energy

India's tech cities are choking on their success

Like thousands of others, Megha Mathur moved to the Indian city of Gurgaon for a coveted job in tech. She soon realized she wouldn't be able to live there very long. The pollution was so bad she had to check an air quality app on her phone several times a day to see whether it was safe to go outside without a mask.

Most countries that pledged to cut emissions haven't

"Keep it in the ground" has long been a favorite slogan of the environmental movement aimed at the coal, oil and gas industries, and the catchphrase is based in science.For years, scientists have warned that without shifting energy consumption from…