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Earth Day Pictures: Extreme Green Buildings
From an Algae-Powered Structure to Certified Living Buildings
Earth Day
In 1970 smog choked major U.S. cities and toxic waste flooded rivers. That same year nearly 20 million Americans participated in events on April 22, spearheaded by Wisconsin Senator Gaylord Nelson, to draw attention to the environmental issues plaguing the planet and human health. Named Earth Day, April 22 has remained a time to celebrate restoration and stand up for the planet.
More About Earth Day
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The First Earth Day
See pictures of rallies, concerts, bell-bottoms, and gas masks from the first Earth Day in 1970.
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The Truth About Earth Day
This year a billion are expected to mark Earth Day, which some suspect is anti-capitalist. Go behind the subject of today's Google Doodle.
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20 Great Earth Day Pictures
Auroras, glaciers, and gullies feature among the most stunning pictures of Earth from space, chosen by National Geographic photo editors for Earth Day 2011.
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Biodiversity: Saving Lives
On Earth Day, U.S. leaders reflect on what's at stake.
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Sustainability at National Geographic
The National Geographic Society aims to be an international leader for global conservation and environmental sustainability. Learn more about the Society's green philosophy and initiatives.
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Patterns in Nature
Beautiful photos highlight the wonders of our world.
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How Has Earth Day Evolved?
When Earth Day turned 40, National Geographic News took a look at how the once-grassroots Earth Day is now taking root on the Web.
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Earth Day Tips: For the Planet and You
Learn some tips for things you can do on Earth Day (and every day) to improve the environment.
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Earth Day Stunts
An undersea cleaning party and the world's largest baked Alaska join the ranks of oddball events held on Earth Days past.
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Spring Cleaning
Give your home a green makeover with Green Guide's new room-by-room interactive, with tips, quizzes, and calculators to help you cut down on energy consumption, water use, and waste.
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School Greening Contest Winners
See the winners of the "Find Your Footprint" competition. The winning ideas will help schools reduce waste and save water and energy.
Test Your Earth IQ
Environment News
- Wind Energy’s Shadow: Turbines Drag Down Power Potential
- 6 of Nature's Loneliest Animals
- On Mount Everest, Seeking Biogas Energy in a Mountain of Waste
- Cell Phones Fight Pirate Fishing
- Climate Milestone: Earth's CO2 Level Passes 400 ppm
- Pictures: When Fire Meets Ice
- Solar Impulse's U.S. Expedition Begins
- Pro-Environment Light Bulb Labeling Turns Off Conservative Buyers, Study Finds
Books and DVDs
@NatGeoGreen on Twitter
Water Currents
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Timelapse Shows Beauty of Lake Superior
A year in the making, this video highlights nature's splendor.
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Wastewater Brings New Life
A wetland flourishes in Mexico thanks to a treatment plant.
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The Ocean
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Oceans
Learn about making the right seafood choices, get inspired by our ocean heroes, and get tips on how you can help save the ocean.
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Seafood Decision Guide
Learn how to eat healthy while lowering your seafood footprint.
The Great Energy Challenge
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Personal Energy Meter
See how you measure up, and find out how making simple changes at home can help.
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Light Bulb Savings Calculator
How much can you save yourself, and the world, by switching to more efficient bulbs?
Special Ad Section
The World's Water
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Help Save the Colorado River
NG's new Change the Course campaign launches. When individuals pledge to use less water in their own lives, our partners carry out restoration work in the Colorado River Basin.
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Water Grabbers: A Global Rush on Freshwater
A special series on how grabbing water from poor people and future generations threatens global food security, environmental sustainability, and local cultures.
