NATIONAL GEOGRAPHIC
VIDEO HOME
NAT GEO TV
NAT GEO WILD
KIDS
MORE VIDEOS
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
Great Energy Challenge
What is the Great Energy Challenge? See why energy is abundant around us, and how we have to find the best ways to harness it for use.
more
X
Great Energy Challenge
Energy
Sustainability
Food
Cooking
Environmental Concerns
What is the Great Energy Challenge? See why energy is abundant around us, and how we have to find the best ways to harness it for use.
X
Great Energy Challenge
What is the Great Energy Challenge? See why energy is abundant around us, and how we have to find the best ways to harness it for use.
Share Link
Featured Videos
Related
Wood Stove Decathlon Underdogs?
2010 AISI PSAs
Iowa Wind Power
Energy Conservation
Alternative Energy
Fuel Cells
What You Do Counts
'This Bulb'
Environmental Churches
Solar Power
Voltage Vampires
Wave and Tide Energy for Prize Money
Toxic Land Generates Solar Energy
The Tortoise and the Solar Plant
Investor Vinod Khosla Bets on "Drop-in" Biofuels
NG Live!: Jason Clay: The Power of Connection
Solar Cooking
Sanga Moses: Using Waste to Fuel Africa
This Man Risked It All to Change Uganda's Energy Destiny
Bringing Light to India’s Poor With the Terra Watt Prize
My Lightbulb Moment: Using Solar Energy to Feed a Village
What If One Tree Had Everything You Needed?
Epic Grand Canyon Hike: Frozen Shoes and Low on Food (Part 2)
President Credits Mom and Hawaii For His Love of Nature
What is Solar Power?
What is Nuclear Energy?
Watch the World's First Floating Wind Farm Ride the Waves
How One Man's Amazing Christmas Lights Have Spread Joy for 30 Years
Electromagnetism 101
Light Pollution 101
How sustainable plantations help save Uganda’s decimated forests
Fresh Produce Sails the Hudson
Drinking Absinthe
Bear Bandits
Eating Live Octopus
Taking A Bite Out of Banana Mess
I Didn't Know That: Food Tasters
The Ultimate Raw Fish
'B' the Recipe
Environmentalism on the Half Shell
Wine From Water
The Sweet Taste of Success
Ailing Appliances
Celery Root, Green Apple and Turkey Salad
A Fetal Feast
Chicken by the Sea
Carbon Diet
Newest
Health and Human Body
Category:
Adventure
Animals
Environment
History & Civilization
Nat Geo Exclusives
People & Culture
Photography
Science & Space
Technology
Travel
The Story of Plastic
How your toothbrush became a part of the plastic crisis
04:49
101 Videos
Pregnancy 101
03:53
Assassin Bug vs. Bats
01:56
101 Videos
Heart 101
02:41
News
Too Much Sex Is Killing These Male Snakes
01:22
How Flu Viruses Attack
03:47
This Lizard Shoots Blood From Its Eyes
00:48
News
Portable Scanners "Read" Brains on the Go
02:09
London Taxi Drivers' Brains
03:18
I Didn't Know That
I Didn't Know That: Head Lice
01:51
Maggots
01:36
101 Videos
Caffeine 101
02:54
Brain Tumor Surgery
03:14
Magazine
Follow a Transgender Teen’s Emotional Journey To Womanhood
08:51
Decoder
How your eyes make sense of the world
04:06
News
Watch: Kinky Male Spiders Tie Up Females to Survive Sex
00:59
Show More Videos