"This Bulb" Video -- National Geographic

"This Bulb" Video Natalie Portman, Kyra Sedgwick and Chloe Sevigny explain how simply changing a light bulb can help reverse the effects of greenhouse gases. With music by Aimee Mann.Welcome to the National Geographic video player.Video Sections

Environment Video - Get an in-depth look at the constantly changing Earth, from natural disasters like volcanoes and tornadoes, to global warming and other effects of climate change.

Global Warming - See the effects global warming is having on polar bears, arctic ice, glaciers, and more, and learn about how CO2 and other greenhouse gases are contributing to climate change.
- "This Bulb" - Natalie Portman, Kyra Sedgwick and Chloe Sevigny explain how simply changing a light bulb can help reverse the effects of greenhouse gases. With music by Aimee Mann.
- A Way Forward: Facing Climate Change - Explore the global impact of climate change and its devastating effects—and learn what scientists suggest in response—in this short documentary film from National Geographic and the UN Foundation.
- Antarctica Ice - Glaciers on the Antarctic Peninsula are melting away at an alarming rate.
- Glacier Melt - Disappearing alpine glaciers are an ominous sign of global warming.
- Global Warming 101 - Global warming could do more than just melt polar ice. It could change our maps, and displace people from cities and tropical islands.
- Greenhouse Gases - Scientists in Wisconsin are discovering that increased greenhouse gases are having some unexpected effects.
- Imja Glacier - A melting glacier in the Himalaya is the only thing protecting a community from a mountain deluge.
- Karoo Biome - South Africa's Karoo desert is giving us an advanced look at the damage that hotter, drier weather can bring.
- Melting Alps - Due to global warming, melting permafrost threatens a centuries-old mountain observatory's foundation.
- Rocky Mountain Bio Lab: Amphibians - Changes in amphibian populations may offer clues to changes in our climate.
- Rocky Mountain Bio Lab: Wildflowers - What will global warming do to wildflowers? One scientist has found the disturbing answer.
- Sinking England - Along the coastlines of Britain, people are doing whatever they can to hold back the rising tide.
- State of Polar Bears - Melting Arctic ice is stranding—and starving—polar bears. According to some researchers, the health of polar bears is an indicator of the health of the environment.
- Tuamotus - Looking for an island paradise? Then book a flight soon. They could be vanishing under the rising tides of global warming.
- What You Do Counts - It's our actions that decide how much of the greenhouse gas, CO2, we create. It's what you do that counts.
Energy - Learn about new sources for energy and see how they work.
Environmental Threats - Get a first-hand look at the greatest dangers facing the environment.
Global Warming - See the effects global warming is having on polar bears, arctic ice, glaciers, and more, and learn about how CO2 and other greenhouse gases are contributing to climate change.
Going Green - Get tips on how you can help keep the environment healthy.
Green Guide - A myriad of ways to reduce your carbon footprint.
Habitats - Explore the world's most thrilling landscapes in breathtaking video.
Natural Disasters - Witness the awesome power of nature through incredible footage of tsunamis, earthquakes, tornadoes, volcanoes, and more.
Ocean Now - National Geographic's Ocean Now is a project to study the last healthy, undisturbed places in the ocean. Follow Dr. Enric Sala and a team of scientists as they explore the pristine waters of the southern Line Islands.
Preserve Our Planet - preserve our planet
State of the Earth - See exactly what's going on in the envriornment around the world, and get a sense of what's working and where we can make major improvements.
Threats to Animals - Take a closer look at the biggest challenges faced by other members of the animal kingdom in today's changing environment.

Animals Video - All the beauty and excitement of the animal kingdom comes to you in thrilling footage of lions, sharks, squid and more.

Daily News Video - See the latest videos or breaking news from researchers and explorers in the field as they make the discoveries that shape the way we see the world.

Environment Video - Get an in-depth look at the constantly changing Earth, from natural disasters like volcanoes and tornadoes, to global warming and other effects of climate change.

Kids Video - Wild, creepy, cute, and slimy animals from puppies and lions to lizards and snakes all do thier amazing things and we catch it all on video.

Music Video - Watch videos of music from your favorite country, listen to international music, and see other world music videos from National Geographic.

Science & Space Video - Watch a video about science, the human body, and the solar system, and see other science and space videos from National Geographic.

Specials Video - Watch thrilling trailers and clips from events like the annual National Geographic GeoBee to the release of new giant-screen films.

Travel & Cultures Video - The rich variety of the world's landscapes and cultures come to life breathtaking footage from China, India, Egypt and more.

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