Pink solar panels convert certain types of light into energy for powering greenhouses while allowing other types of light to pass through and feed plants.
Sunlight and common metals can break down carbon dioxide and produce methane that can be stored and burned or used to make other synthetic fuels.
More than 500 scientists contributed 27,000-plus samples of the world’s microbes, ranging from soil in Antarctica to the human gut.
From the Great Plains to the Atlantic Ocean and North Africa, the geography of untapped renewable energy is massive, but a lack of political will remains an obstacle.
Trillions of gallons of water flowed into the Gulf of Mexico following the hurricane, leading to a 10 percent drop in salinity that could weaken the reefs.
A humanoid robot built by Hanson Robotics was given citizenship by Saudi Arabia, where women are denied the same civil and political rights as men.
Volcanic ash in the atmosphere cooled temperatures over Northern Europe, but once it fell to the surface, it sped up melting because dark ice absorbs incoming solar radiation.
The size and intensity of wildfires due to climate change is forcing the US Forest Service to siphon funds from wilderness restoration programs.
By mimicking the nanostructures of black-colored butterfly wings, researchers doubled the amount of energy that solar panels convert to electricity.
Forest fires in Indonesia, a hotter Africa, and a warmer, drier Amazon contributed to three consecutive years of record-setting global temperatures.