Redwood National Park is home to Hyperion, the world's tallest tree. But you won't find it marked on any maps—and that's for its own good.

CLIMATE CHANGE
Global warming is changing the Arctic—and explorers of the past would barely recognize its green tundra, diminished glaciers, and ice-free seas. Our final episode looks at the North Pole’s many legacies.
Frigid temperatures have left many Texans without electricity, heat, and even water. Here’s how to help from afar.
Slow clap for sea cucumbers, whose excretory achievements could help slow climate change damage to the Great Barrier Reef.
The August Complex fire ravaging California is being called a "gigafire," and it's every bit as imposing and destructive as the name implies.
Certain lands can store large quantities of carbon (though we also need to cut carbon emissions in the first place).
Wildfires across California, Oregon, and Washington are devastating communities—here’s how you can help victims.
The searing heat comes close to the 134 degrees recorded in Death Valley in 1913. But with that temperature called into question, Sunday's measurement may be the hottest ever.
Svalbard, Norway—where 1 million of the world's seed samples are held in a high-security facility—experienced record temperatures in July 2020.
A Burger King ad spot, which features child yodeler Mason Ramsey insisting cow farts are responsible for methane emissions, has been criticized for taking a flippant approach to global warming.
The state has expanded its trash pick-up services to accommodate the new policy, but many residents are already composting pros.
‘Lost on Everest’ chronicles a mission to find one of Mount Everest’s first missing bodies, while ‘Expedition Everest’ studies climate change on the mountain.
A “heat dome” is partially to blame, but climate change has been causing alarmingly high temperatures in Siberia for months.
Research shows that a volcanic eruption in Alaska triggered a two-year cooling period in the Mediterranean—possibly destabilizing an already volatile Roman Republic.
When it breaks down, poop from king penguins releases nitrous oxide—a gas that affects both the environment and the scientists who study it.
From the origins of our species to clues about the future of the universe, scientific discoveries achieved in the last decade transformed our understanding of our world. Here are 14 of the most momentous.
Teen climate activist Greta Thunberg was the most influential person of 2019, according to TIME magazine.
Without arctic sea ice to hunt on, 60 polar bears have gathered at a Russian village in search of food—and this isn't an anomaly.
During the Little Ice Age, the River Thames froze and gave Londoners a place to hold spectacular carnivals. But climate change has made frost fairs a thing of the past.
“Young People Marching” features lyrics like “Green New Deal, keepin’ it real” and “climate emergency.”
Believe it or not, that’s not even the weirdest way scientists have proposed to halt glacial melting.
Feeling frustrated and powerless while the Amazon fires rage on in Brazil? Here’s what you can do from afar.
In a single day, Greenland lost 11 billion tons of ice to historic temperatures fueled by global warming.
June 2019 was the hottest month on record, and the demise of an Icelandic glacier is a telltale sign of what may come in the next decades.