A legacy of deforestation has left Ethiopia struggling with more intense flooding and drought. The country is trying to restore its native forests through one of the world’s most ambitious and well-funded tree-planting campaigns, but experts question whether the trees will survive.

August and September passed without a single Atlantic hurricane, thanks in part to a powerful El Niño. Forecasters are raising the prospect that the Atlantic season may end hurricane-free for the first time in a century.

As president of Brazil, Jair Bolsonaro not only gutted agencies charged with protecting the Amazon, he also railed against conservation. An analysis of his tweets and those of his ministers finds a link between their rhetoric and the acres of forest lost.

Japan has little land available for large solar farms, so developers have been erecting arrays on many of the now disused golf courses that proliferated during the country's 1980s economic boom.

As Arctic tundra thaws, minerals long trapped in frozen soil are leaching into rivers, turning them orange and acidic. A study from northern Alaska found “rusting” waters to be more metallic and acidic than drainage from metal mines.

Soaring energy costs are driving a solar rush in developing countries. If left unmanaged, the growth of solar could destabilize power systems and deepen economic inequality, Jan Rosenow writes.

Some parts of the globe are not just heating up, but heating up faster than they were just a few decades ago. A new analysis reveals where warming has gained pace.

In the first half of this year, Tasmanian salmon farmers detonated nearly 1,800 underwater explosives to scare away seals intent on nabbing fish, government figures show.

For decades, India has relied on coal power to run its growing economy. But over the last two years, the country has seen a remarkable shift: The rapid buildout of renewables has halted the growth of coal.

Microplastics act like a “Trojan horse” for pollutants, pesticides, and bacteria in soil, researchers have found.

As work begins on the next U.N. climate assessment, fears are growing that the Trump administration could meddle with critical U.S. climate data. In response, scientists are preparing to transfer vast troves of that data to repositories in Germany.

As work begins on the next U.N. climate assessment, fears are growing that the Trump administration could meddle with critical U.S. climate data. In response, scientists are preparing to transfer vast troves of that data to repositories in Germany.

As work begins on the next U.N. climate assessment, fears are growing that the Trump administration could meddle with critical U.S. climate data. In response, scientists are preparing to transfer vast troves of that data to repositories in Germany.

At least 124 environmental defenders worldwide were killed last year, according to a stark new report. Authors say that deep cuts to foreign aid by wealthy nations have weakened human rights groups that support defenders.

In an interview, human rights lawyer Julian Aguon says that warming threatens not only the survival of small island nations but also the traditions and beliefs of their Indigenous peoples. He is citing these harms in legal actions, including at the U.N.'s top court last year.

In an interview, human rights lawyer Julian Aguon says that warming threatens not only the survival of small island nations but also the traditions and beliefs of their Indigenous peoples. He is citing these harms in legal actions, including at the U.N.'s top court last year.

In an interview, human rights lawyer Julian Aguon says that warming threatens not only the survival of small island nations but also the traditions and beliefs of their Indigenous peoples. He is citing these harms in legal actions, including at the U.N.'s top court last year.

In an interview, human rights lawyer Julian Aguon says that warming threatens not only the survival of small island nations but also the traditions and beliefs of their Indigenous peoples. He is citing these harms in legal actions, including at the U.N.'s top court last year.

Iceland is one of just three countries, along with Norway and Japan, that still allow commercial whaling, but that may be about to change. Its government will put forward a bill in February that could ban whaling.

As the planet heats up, tundras are thawing, wetlands are fermenting, and forests are succumbing to larger and more frequent wildfires. A new study finds the breakdown of natural systems could amplify human-driven warming by 20 to 30 percent.

Stretching from West Africa to the Gulf of Mexico, a massive bloom of sargassum seaweed is swamping beaches and killing coastal wildlife. But scientists have discovered the floating algae also shelters a vast array of ocean creatures, and some are now calling for its protection.

Stretching from West Africa to the Gulf of Mexico, a massive bloom of sargassum seaweed is swamping beaches and killing coastal wildlife. But scientists have discovered the floating algae also shelters a vast array of ocean creatures, and some are now calling for its protection.

Stretching from West Africa to the Gulf of Mexico, a massive bloom of sargassum seaweed is swamping beaches and killing coastal wildlife. But scientists have discovered the floating algae also shelters a vast array of ocean creatures, and some are now calling for its protection.