Farmers and other Republicans see profit potential and job opportunities in clean energy, so they're defending renewable requirements.
New wind farms in the Upper Midwest are cheaper than natural-gas plants, so utility Xcel plans to boost its wind capacity by 33 percent.
Bathroom wipes are being marketed as flushable, but once they reach the wastewater treatment plant they become a pain in the butt.
The international lender says it won't support coal-fired power plants in most circumstances, opting instead to fund cleaner energy.
People who live alone tend to live more sustainably, which is good news for cities.
First the European Union banned three neonicotinoid pesticides, and now it's restricting use of a nerve agent that's toxic to bees. If only the U.S. were so concerned about pollinators.
Russia blocked proposals from America, New Zealand, and others to protect more than 1.5 million square miles of Antarctic ocean areas from fishing.
Midwesterners would see the biggest price increases if Keystone XL is built and Canadian oil starts bypassing American markets and heading abroad.
Carbon pricing is the big political topic down under right now, in the run-up to a federal election to be held later this year.