Dozens of German "extinction rebellion" protesters Tuesday chained themselves to the fence of Angela Merkel's chancellery, demanding she declare a "climate emergency."

Climate activists using small boats and climbing equipment blockaded a cruise ship for six hours in a German harbor to protest against its carbon emissions, police said Monday.

Dozens of naked bikers have taken to Mexico City's streets to raise awareness of cycling as a healthy transportation option.

Sweden's teenage climate activist Greta Thunberg was Friday awarded a prestigious Amnesty International prize for mobilizing world public opinion on the looming peril of global warming.

2018 was a "golden year" for natural gas with demand surging worldwide, the International Energy Agency (IEA) said Friday, prompting concern from environmental groups over the climate impact of the world's new favorite fuel.

Investors in General Electric, once one of the world's most valuable companies, lost tens of billions of dollars after the Paris climate deal as it failed to adapt to the pace of the green energy transition, new analysis showed Thursday.

U.S. President Donald Trump said Wednesday he was wowed by Prince Charles' passion for fighting climate change and that he also wanted a world that is "good for future generations."

Roman Yudakov points in the distance to a stinking mountain of trash looming over the Russian capital and sighs: "Take a look at our pyramid!" 

Attention, Grand Canyon visitors -- watch your step before attempting a selfie from the edge of the vertiginously deep and perilously steep U.S. landmark.

Japan on Friday announced a policy to reduce marine plastic waste, part of efforts to raise the issue at the G20 summit it will host next month.