The data center’s on-site natural gas power plant could emit more than double the carbon dioxide released each year by the current record-holder

Solar railways could soon become commonplace in Europe, following a successful trial in Switzerland.

In March, for the first time, renewables supplied more power to the U.S. than natural gas, a milestone in the transition to clean power. However, rising power demand is complicating the shift away from fossil fuels by extending the lives of many aging coal power plants.