Cover enough ground with wind turbines and solar panels and you change the local climate, green the desert and could even boost the Sahara’s rainfall.
Imagine a world with so much renewable, clean energy that it could provide all the electricity society needed, reliably and without any interruption, round the clock. That could soon be a reality.
State officials hope to chart a path for other large economies to follow as they attempt to address the dangers of climate change.
Money talks, says a study of Washington’s political lobbying and its influence on climate change law. Most of the most vocal money comes from big energy.
There are some problems clean energy from wind and sun cannot solve. Two new studies provide a roadmap of the challenges ahead.
The need to stop global warming in its tracks has spurred the growth of wind and solar technologies that are helping reshape the electricity industry.
The Roman Catholic leader forthrightly reminds oil company CEOs that climate change is a moral issue.
Meeting the world's energy needs "must not destroy civilization," Pope Francis says at an energy conference at the Vatican.
Five of the world's largest solar installations are under construction there, and a sixth is in the pipeline.
Mexico plans to produce 43 percent of its electricity from renewables within six years.