Trees curb climate change directly by removing carbon dioxide from the atmosphere. Through the process of photosynthesis, forests offset 10 to 20 percent of the country’s greenhouse gas emissions each year. Additionally, trees help protect against climate impacts such as flooding, which is getting w

President Barack Obama addressed the United Nations on climate change at the UN Climate Change Summit on September 23, 2014 in New York.

Buildings are a big environmental headache. They account for nearly half of the world's climate changing emissions. But things may be different in the years ahead, as VOA's Rosanne Skirble discovered in a laboratory on the campus of Carnegie Mellon University in Pittsburgh.

Katharine Hayhoe, a co-author of the current Assessment (November, 2018) and director of the Climate Science Center at Texas Tech University, said in a Friday tweet that the White House’s claim is “demonstrably false.” The 1,600-page report, which was issued by 13 federal agencies and authored by

The World is Watching Cities, Now More than Ever
COP21 brought cities into the spotlight. C40 is proud to help shine that light a little brighter. Because cities and mayors are acting now, and we're right beside them as they become necessary leaders in this vital cause.Watch the mayors of Bogotá, C

One of the most passionate speeches of the opening day of the U.N. climate change conference in Paris was delivered by Marshall Islands President Christopher Loeak. Thousands of residents from the Marshall Islands have already fled the Pacific island state, becoming climate change refugees because o

On November 27th, 2022 the Mauna Loa volcano erupted for the first time in 38 years. As a result, a wide swath of Hawaii's Big Island, including 50,000 people are at risk of being inundated by lava flows. This video will discuss Mauna Loa's ongoing eruption which began at its summit just before midn...

16 climate activists teens and children are petitioning the United Nations with claims that the boy is violating children's rights by not taking action on climate change and global warming. Global climate strike leader Greta Thunberg is among the activists taking climate action against the UN. Thunb...

The World is Watching Cities, Now More than Ever. The US withdrawal from the Paris Climate Accord brought cities into the spotlight. Because cities and mayors are acting now, and we must be right beside them as they become necessary leaders in this vital cause. As the world moves forward from Paris,...

US President Barack Obama has unveiled what he called "the biggest, most important step we have ever taken" in tackling climate change. The aim of the revised Clean Power Plan is to cut greenhouse gas emissions from US power stations by nearly a third within 15 years. The measures will place signifi...