Dozens of countries had called for a clear "roadmap" to transition away from the use of coal, oil and natural gas. The U.S. did not participate in the negotiations.

(Image credit: Andre Penner)

Sometimes reducing your home's energy use can be as simple as opening a window or buying tape. Here are five easy ways to have a more climate-friendly home and save on energy bills at the same time.

(Image credit: Illustrations by LA Johnson/NPR)

President Trump signed an order Thursday aimed at making it easier for companies to mine the ocean floor. Scientists and environmental groups say it could harm a fragile ecosystem.

(Image credit: NOAA Office of Ocean Exploration and Research)