A woman and boy walking across dry riverbed (© Vahid Salemi/AP Images)

Iran arrests scientists trying to solve water crisis

Water shortages caused by drought in Iran are further compounded by failed government policies and corruption. As the crisis worsens, Iran's security forces are arresting scientists trying to help.
Country road at sunset (Shutterstock)

Nuclear power’s growing role in a clean energy future

A new U.S.-backed initiative is promoting innovative ways to integrate nuclear power into carbon-free and renewable energy systems.
Man driving utility vehicle toward industrial structures and smokestack (© Luke Sharrett/Bloomberg/Getty Images)

A promising approach boosts oil production — cleanly

It may be counterintuitive, but a new law could make fossil fuel companies leaders in kicking carbon capture into the mainstream — and helping the environment.
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.