China's push to wean itself from coal has triggered a rush to develop alternative power sources. Here's a look at its natural gas boom.
You've seen their logos on the sidelines, now get a peak inside the company trying to transform the world.
ExxonMobil, Walmart, and McDonald's are just a few of the companies that the mega-charity supports.
A new report ranks 34 major U.S. cities by their energy-use policies.
A new study in Science links tremors near Midwest injection sites with huge quakes thousands of miles away.
Higher ozone concentrations could lead to more school absences.Photo: Ole OlsonA new study puts a hefty price tag on climate change by linking it to …