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.

When an unusually large number of puffin carcasses began to wash ashore on Alaska's remote St Paul Island in the fall of 2016, the local tribal population grew alarmed.

German Chancellor Angela Merkel's "climate cabinet" meets Wednesday to discuss combating global warming as her government struggles to convince voters it is willing and able to address the crisis.

Sydney on Tuesday announced its first major water restrictions in a decade, putting limits on homes and businesses amid a record-breaking drought.

Germany has in recent years polished its "green" image abroad, but the country was only recently forced to admit it will miss a self-imposed 2020 climate target.

As nuclear explosions go, the U.S. "Cactus" bomb test in May 1958 was relatively small -- but it has left a lasting legacy for the Marshall Islands in a dome-shaped radioactive dump.

Tens of thousands of young climate activists rallied across Europe Friday ahead of EU Parliament elections as part of protests worldwide demanding action against global warming.

Germany's biggest online stars closed ranks Friday around YouTuber Rezo whose rant against Chancellor Angela Merkel's party has gone viral, with an open letter urging Germans to shun her coalition's parties at EU elections over their climate failings.

Standing among sacks of used supermarket shopping bags, soft drink bottles and detergent containers, Evelin Marcele is scornful of Brazil's efforts to recycle plastic waste.