These sharks have evolved to walk on land—and they did it quickly loading...
These sharks have evolved to walk on land—and they did it quickly
Four new species of this colourful yet overlooked group of reef dwellers have been found since 2008, a new study says.
60 Hours On Burning Kangaroo Island loading...
60 Hours On Burning Kangaroo Island
Our reporter describes the ongoing catastrophe of record bushfires on Australia's wildlife.
Weather shows evidence of climate change every single day since 2012 loading...
Weather shows evidence of climate change every single day since 2012
Children born in 2012 haven’t lived a single day unaffected by climate change.
Past decade was the hottest on record loading...
Past decade was the hottest on record
The last 10 years have shown that climate change is happening now, shows a new report from NOAA. It's likely to get much worse.
What the Philippines volcano ‘worst-case scenario’ could look like loading...
What the Philippines volcano ‘worst-case scenario’ could look like
With millions of people at risk, experts are looking to past big eruptions to better understand the unique hazards this peak can produce.
Australia's bushfires will create big problems for fresh drinking water loading...
Australia's bushfires will create big problems for fresh drinking water
When huge quantities of ash wash into rivers, dams, and eventually the sea, they will likely pollute water supplies and kill aquatic wildlife.
Frankincense Trees—Of Biblical Lore—Are Being Tapped Out For Essential Oils loading...
Frankincense Trees—Of Biblical Lore—Are Being Tapped Out For Essential Oils
The fragrant resin gifted to the newborn Jesus may be at risk of disappearing.
Inside Prince Harry's Efforts To Preserve African Parks loading...
Inside Prince Harry's Efforts To Preserve African Parks
The British royal is expanding the amount of protected land in Commonwealth nations.
Many People Want To Set Aside Half Of Earth As Nature loading...
Many People Want To Set Aside Half Of Earth As Nature
A new survey of 12,000 adults in 12 countries revealed overwhelming support for conservation, as well as knowledge gaps in subjects like extinction rates.
A Heatwave Is Turning Greenland’s Ice To Slush. That's Bad News. loading...
A Heatwave Is Turning Greenland’s Ice To Slush. That's Bad News.
The huge northern ice sheet is in the middle of its second major melt event this year, a warning sign for the planet.
The Balance Of Nature Is An Enduring Concept. But It’s Wrong. loading...
The Balance Of Nature Is An Enduring Concept. But It’s Wrong.
From the ancient Greeks to the Lion King, people have sought balance in nature—but the real world isn’t like that.
Photos show how polar animals live in the coldest places on Earth loading...
Photos show how polar animals live in the coldest places on Earth
To thrive, these species rely on the cold. The warmer it gets, the tougher life becomes.
About the Show

The highest mountains on Earth are home to some amazing creatures but with extreme weather and limited oxygen, only the toughest will survive.

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