Climate change means many health risks. Any one of them raises the danger. What happens when extreme heat meets bad air? South Asia's humid megacities face special jeopardy.

Slipping through the frigid water, the sleek black dorsal fin of a killer whale is iconic; but they're being seen in new parts of the world more frequently, thanks to climate change breaking up sea ice.

J.J. Hastings came off the grid into a pandemic. Stranded in Washington, she started swabbing for the virus.
The effects on wildlife and the ability of forests to store CO2 from fossil fuels could be enormous.
The island’s swift lockdown has further frayed a safety net strained by hurricanes and political upheaval.
New York’s most famous skyscraper shrank its planet-warming emissions by 40 percent. Can the rest of the city do the same?

Climate change and human intervention, including mining, are a big threat to water security in the region.

A study of seafloor ripples suggests that ice shelves can retreat six miles per year, a quantum increase over today’s rates.

In a lengthy interview with news agency TASS, Vladimir Kulishov points a warning finger against foreign engagements in the Arctic.

The Navajo Nation has the highest known rate of coronavirus in the country and a long history of being denied their legal right to water access.

As the First Nation considers an egg incubator to increase the Klondike River's Chinook population, questions linger about the ideal conditions for spawn survival.

Climate breakdown and the mass felling of trees has made the world's forests significantly shorter and younger overall, an analysis shows.

The so-called "zombie fires", which are remnants of record blazes seen last year, may be reemerging due to an unusually warm and dry spring.

People are already suffering from catastrophic losses as a result of extreme weather events like cyclone Amphan.

As the host of the next international climate summit, COP26, the UK has a great responsibility to drive an intensification of climate and nature action around the world.

Aging, poorly maintained structures put thousands at risk—and climate change is only making things worse.
Repairing all the country’s deficient dams could cost $70 billion. Having them fail would come with a far greater price, experts say.
Many need repairs. Let’s fix them before climate-related flooding gets worse.
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