Woman holding a plant and stick (Roy Kaltschmidt/Berkeley Lab)

Turning plants into fuel

Four U.S. research centers are developing technologies that can turn certain plants — such as switchgrass, poplar or sorghum — into biofuels.
School of fish swimming in ocean (© Arterra Picture Library/Alamy)

Nations band together to conserve fish in central Arctic Ocean

A 16-year moratorium on commercial fishing in the central Arctic Ocean is one tool to protect the Arctic and its resources.
Portion of Earth Day 2018 poster (State Dept./D. Woolverton)

For Earth Day 2018, download this free poster

Marine animals around the world are threatened by plastic trash overwhelming our oceans. Download this free Earth Day poster and spread the word!
Amur tiger in the snow (© Aaron Barnes/Alamy)

One tiger’s journey from the brink of extinction

In the Russian Far East, an endangered Amur tiger was released back into the wild in 2017, giving conservationists hope for the species’ future. The news comes just in time for World Wildlife Day on March 3.
Worker stacking Coca-Cola cases filled with empty glass bottles (© Chau Doan/LightRocket/Getty Images)

U.S. companies raise the bar on recycling

The unsightly plastics that clog the ocean and defile beaches often cannot be recycled. One major U.S. company has a plan to recycle one soda can or bottle for every one sold, while another has pioneered a novel way to recycle beach plastic.
Erupting volcano at night (© Vladimir Voychuk/2017 National Geographic Nature Photographer of the Year)

Enjoy these 15 stunning nature pictures

Check out some of the amazing nature photos submitted by photographers for National Geographic's 2017 Nature Photographer of the Year contest.
Man walking with bag of dates (Alaa Badarneh for USAID)

With water projects in West Bank and Gaza, U.S. cultivates hope

The U.S. is connecting Palestinians to water treatment systems that keep people safe and promote jobs. The possibility for peace is growing in the process.
Snow leopard with triplets (© Animal Press/Barcroft Images/Getty Images)

October 23 is International Snow Leopard Day

On October 23, International Snow Leopard Day we celebrate the endangered mountain feline, whose health reflects the health of important ecosystems.
Spanish-style buildings facing basketball court (Guardtop LLC)

U.S. is on the road to solving an urban environmental problem

Los Angeles and other U.S. cities are covering their asphalt roads with a coating that prevents the blacktop from absorbing and radiating the sun's heat.