Up Next

Why Trees Are Living Climate Records

Why Trees Are Living Climate Records

Why Trees Are Living Climate Records

Video

1:29

Plant Fossils Hint at Arctic's Swampy Past

Plant Fossils Hint at Arctic's Swampy Past

Plant Fossils Hint at Arctic's Swampy Past

Video

3:02

What did the East Coast Look Like 3 Million Years Ago?

What did the East Coast Look Like 3 Million Years Ago?

What did the East Coast Look Like 3 Million Years Ago?

Video

3:21

This Canadian Cave Has Been Frozen Since the Last Ice Age

This Canadian Cave Has Been Frozen Since the Last Ice Age

This Canadian Cave Has Been Frozen Since the Last Ice Age

Video

3:11

Fifty Million Years Ago, the Arctic Was a Warm Swamp

Fifty Million Years Ago, the Arctic Was a Warm Swamp

Fifty Million Years Ago, the Arctic Was a Warm Swamp

Video

2:07

A Bird's-Eye View of Carbon Emissions

A Bird's-Eye View of Carbon Emissions

A Bird's-Eye View of Carbon Emissions

Video

1:56

What if Carbon Left Your Tailpipe as Solid Chunks?

What if Carbon Left Your Tailpipe as Solid Chunks?

What if Carbon Left Your Tailpipe as Solid Chunks?

Video

2:12

How Carbon Dioxide Warms Planet Earth

How Carbon Dioxide Warms Planet Earth

How Carbon Dioxide Warms Planet Earth

Video

2:32

What’s Causing Greenland’s Biggest Glacier to Melt?

What’s Causing Greenland’s Biggest Glacier to Melt?

What’s Causing Greenland’s Biggest Glacier to Melt?

Video

2:04

This Alaska Community is Losing Sea Ice to Climate Change

This Alaska Community is Losing Sea Ice to Climate Change

This Alaska Community is Losing Sea Ice to Climate Change

Video

4:47

How Earth’s Climate Changed Over the Past 500 Million Years

How Earth’s Climate Changed Over the Past 500 Million Years

How Earth’s Climate Changed Over the Past 500 Million Years

Video

3:25

How Humans Could Make Icehouse Earth into a Hothouse

How Humans Could Make Icehouse Earth into a Hothouse

How Humans Could Make Icehouse Earth into a Hothouse

Video

4:21

Back to Show

NOVA

This Little Armadillo Was a Big Ambassador for His Species

Researchers use camera traps in a Brazilian rainforest to capture a day-in-the-life of Alex the armadillo.