Topic: climate change

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The Iditarod from above and from the trail

From high above the 44th Iditarod Trail Sled Dog Race in Anchorage, where 85 teams are competing for the win in Nome, Alaska Dispatch News captured the race's abbreviated three mile ceremonial start on March 5, 2016. ...

Drifting With the Ice: Life on an Arctic Expedition

For five months in 2015, a team of researchers drifted with polar ice, their ship tethered to an ice floe as they collected data to help them better understand how the loss of sea ice will affect the planet. The air a...

Climate Change 101 with Bill Nye + solutions great and small

What is climate change, what causes it, and how do we mitigate its effects? Bill Nye summarizes Climate Change 101 in concert with National Geographic's Climate Change issue and COP21, the December 2015 Paris Climate ...

Weather vs. Climate + Severe Weather – Crash Course Kids

Weather vs. climate... are they the same thing? In this episode of Crash Course Kids, Sabrina Cruz explains the differences: Weather refers to the day to day conditions of where you are on the planet. Climate refers t...

How do plants grow in space? – Science Friday

Microgravity, different kinds of light, extreme conditions... Growing while in orbit or on Mars are two experiences that earthbound organisms have never needed to adapt to in our evolutionary history. How do our bodie...

The Surprising Places We Waste Energy – It’s Okay to Be Smart

We're always told to turn the lights out as we leave the room, or to shut off the water while we brush our teeth, but those are just two places that we might be wasting energy. In Joe Hanson's third episode of It's Ok...

What climate change sounds like from the Amazon to the Arctic

In 2013, University of Minnesota undergrad Daniel Crawford worked with professor Scott St. George to map climate data to cello music, sonorously illustrating 1880 to 2012 climate change trends. As a next step in the p...

PoSSUM Program Trains Scientists for Space Research

For those who want to be an astronaut or work in space, and for those climate scientists who want a closer look at the mesosphere -- the understudied layer of Earth's atmosphere that's above the stratosphere and below...

NASA: Satellite Tracks Saharan Dust to Amazon in 3-D

Watch 182 million tons of dust ride the wind out of Africa's Sahara Desert in 3D, as tracked from 2007 through 2013 by lidar, thanks to CALIPSO, the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation sa...

Fire & Ice: Mount Kenya’s Lost Glaciers, revisualized with fire

It was so cold, and the air so thin, on the mountain that even walking with his fire-rake for 20 minutes exhausted Norfolk completely. He was like a man lost on an island, pacing and waving a flame for help. But his c...

The Hidden Perils of Permafrost – Deep Look

When you put a permafrost core in a CT scanner and analyze the data, you're traveling back in time to answer important questions: What was buried deep within the frozen soil? How much of it is ice or plant matter? How...

Two weeks under the sea at Aquarius Reef Base

Travel down to Aquarius Reef Base, the only underwater research lab on the sea floor, with Mission 31 aquanaut and scientist Liz Bentley Magee. In this NOVA PBS video, she explains what it's like to live in this incre...

The Quest for Sea Ice: Swimming with polar bears and a camera

Follow a group of four polar bears as they swim in search of ice. Arctic Bear Productions filmmaker Adam Ravetch captured this footage by attaching a camera to one of the four animals. The big paws, the sun on the hor...

The difference between weather and climate change

Dr. Neil deGrasse Tyson, astrophysicist and host of StarTalk and Cosmos: A Spacetime Odyssey, demonstrates the difference between weather and climate change as he walks along the beach with a dog.  Weather is ...

Every Last Drop: How to Save Water

From Nice and Serious and the scroll-worthy storytelling of Every Last Drop, this UK-made primer is excellent for reminding everyone to save water, especially those of us who live in drought-affected areas...

Explore the Polar Bear Capital of the World

Using 360-degree cameras to document the landscape and polar bears of Churchill, Manitoba, Canada, teams at Google Maps, Earth Outreach, and Polar Bears International have made it possible for...

What did Mars look like 4 billion years ago?

The team at NASA’s Conceptual Image Lab has an idea of what Mars looked like 4 billion years ago based on the existing evidence: Billions of years ago when the Red Planet was young, it appears to have had a t...

Onward: Searching for Life in Iceland’s Frigid Fissures

In Onward: Searching for Life in Iceland’s Frigid Fissures, National Geographic grantee and biology researcher Jónína Ólafsdóttir goes diving in search of tiny arthropods in the underwater volcanic fissures of ...

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