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.
Republicans who for years have voted against subsidies for solar and wind power are now eager to have government subsidize coal. Meanwhile, China’s success in renewables grows.
Achievements in Portugal, Scotland and Costa Rica show that a 100-percent-clean electricity grid is no longer a dream.
The country’s march to this renewable is a reason for climate optimism because it is happening under adverse circumstances.
The decision by the GOP-controlled Federal Energy Regulatory Commission comes amid repeated promises by the president to revive coal as the nation's top power source.
Amid improving technology and plunging costs for wind, solar and other renewables, the energy picture is shifting in many countries.
In one of the world’s sunniest countries, the government remains lukewarm about its potential to harness solar energy, despite the plummeting costs of doing so.
Sun-fueled flight is now at least theoretically possible, new experiments show—but scientists have a long way to go before carbon-neutral aircraft actually fly.