There are estimates total number of passenger cars in world will reach one billion soon
Wind energy developers in California and West Virginia are being sued by environmental groups
Federal study is examining rice samples for potential carcinogens
Rachel Carson's book inspired an environmental movement by revealing the side effects of pesticides
Scientists believe sharks may be unable to survive ongoing assault
Physicians say experimental programs that pair combat veterans with therapy dogs produce positive results
Cedar creations not considered fine art, but still require skill and artful hands - carving them from a block of wood without a drop of glue
Mongoose in Hawaii is out of control, feeding on eggs and chicks of island's many ground-nesting birds
Atrazine has been banned by EU since 2004; some studies suggest it may be harmful to human health and environment
United Nations report says world faces irreversible change to life support functions if humanity does not change its ways
Washington DC-area artist Tina Kannapel's carved, sculpted emu, goose, pheasant and parrot eggshells sell for $30 and $400 apiece
Gathering aims to secure political commitment toward sustainable development and energy
Movie documents a mother Polar bear and her twin cubs as they struggle to survive
Joan Miro, one of the great European painters of the twentieth century, is now featured at the National Gallery of Art
FDA says lead levels are so low that products are safe, but health groups insist there is no safe level of lead
This year's orchid exhibit at the US Botanic Garden dedicated to 100th anniversary of Japan's gift of cherry trees to Washington
Recent scientific studies revealed plants communicate with each other, other living things in surprising number of ways
UN says reaching goal will require major increases in intensive, high-efficiency livestock operations for both meat, dairy
British scientists publish new details of world’s deepest volcanic vents, discovered in 2010 in seafloor canyon
Scientists say drought, high temperatures led to wildfires that destroyed thousands of hectares of woodlands in western US
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