North Korea is experiencing its worst drought in over a century, official media reported Friday, days after the World Food Programme expressed "very serious concerns" about the situation in the country.

Mexico City declared an air pollution alert for the second straight day Wednesday, urging people to stay indoors, canceling school and moving the semi-finals of the first-division football league to another city.

U.N. Secretary General Antonio Guterres said Wednesday the Pacific possesses "a unique moral authority" to demand global action on climate change because its people are bearing the brunt of the problem.

Scientists are deploying ultra-sensitive sensors in the Amazon to collect images and sounds of the rainforest's rich biodiversity in real time, in an effort to track preservation efforts.

The Big Brother-style Providence Project was launched two years ago by French scientist Michel Andre of the Polytechnic University of Catalonia and Mamiraua Sustainable Development Institute in northern Brazil.

New Delhi suffered a rare summer air pollution alert Monday as dust storms and heat over northern India took smog to hazardous levels.

U.N. Secretary General Antonio Guterres launched a brief South Pacific tour in New Zealand Sunday, warning the world was "not on track" to limiting global temperature rises.

Mexico City's legislature voted Thursday to ban businesses from buying, selling or giving their customers disposable plastics, a major shift for a sprawling capital that is awash in them.

In the heart of Iceland's volcano country, 21st-century alchemists are transforming carbon dioxide into rock for eternity, cleaning the air of harmful emissions that cause global warming.

For the first time in over two decades, member states of the Arctic Council failed to agree on a final declaration at their bi-annual ministerial meeting on Tuesday, due to a U.S. refusal to mention climate change.

With bigger boats, deeper nets and better sonar than ever before, the fishing industry's response to our insatiable appetite for fish risks transforming much of the world's oceans into aquatic desert.