Scientists predict the hole in the ozone layer will close in the next 50 years
In 1987, just seven years after scientists discovered man-made chemicals were damaging the ozone layer, the Montreal Protocol was signed
China burns more coal as drought cripples hydropower system
Hydroelectricity production fell 50% in the province of Sichuan, which provides 21% of China’s hydropower
Scientists strapped cameras to Navy Dolphins & captured something terrifying
They wanted to learn about how dolphins hunt and feed. They got way more than they bargained for
