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Why Build Green?

Helping the environment with solar-powered heat and bamboo roofs by Liz Olson Related Links Top Ten Greenest Buildings in the U.S. Earth Day A Warming…

weather balloon

(Encyclopedia) weather balloon, balloon used in the measurement and evaluation of mostly upper atmospheric conditions (see atmosphere). Information may be gathered during the vertical ascent of the…

The Top Carbon Dioxide Emitters

Below are the top carbon dioxide emitters in 2011. Rank Country CO2 emissions 1. China 9,700,000 2. United States 5,420,000 3. India 1,970,000 4. Russia 1,830,000 5. Japan 1,240,000 6. Germany 810…

America's Top Ten Green Buildings

Green (and aesthetic) innovation Related Links Building Green Earth Day A Warming Ocean Cleanest U.S. Cities for Ozone Air Pollution World's Tallest Buildings The American Institute of Architects…

Earth Day

Spikes in prices raise awareness of the need to conserve resources Earth Day was first celebrated in 1970, a result of the efforts of Sen. Gaylord Nelson (D-Wis.), a passionate advocate of…

America's Ten Most Endangered Rivers, 2008

Each year the organization American Rivers analyzes the condition of the nation's rivers to determine which are the most “endangered.” Threats to these rivers include dams and channelizations that…

automobile

(Encyclopedia) CE5 Automobile chassis CE5 Two views of a six-cylinder automobile engine automobile, self-propelled vehicle used for travel on land. The term is commonly applied to a four-…