Home and Away: Are Invasive Plant Species
Really That Special?
Invasive plants are a major environmental problem--but how abundant are they?
Invasive plant species...
Climate change effects on birdsLast Updated on 2013-02-05 at 21:47
Many birds species all over the world are highly sensitive to the effects of climate change. Scientists have found declines of up to 90 percent in some... More »
Oil Weathering ProcessLast Updated on 2012-08-21 at 22:06
Years after the Exxon Valdez Oil Spill of 1989, Prince William Sound, Alaska continues to be adversely affected. The severity of the damage from a... More »
Ocean acidification troublesLast Updated on 2012-08-21 at 21:50
The seas in which corals and other calcifying species dwell are turning acidic, their pH slowly dropping as Earth's oceans acidify in response to increased carbon dioxide... More »
Agriculture IILast Updated on 2012-07-26 at 11:56
Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »
Danube Delta Biosphere Reserve, RomaniaLast Updated on 2012-07-11 at 20:02
The Danube Delta Biosphere Reserve (44° 25'-45° 28'N, 29° 42'-28° 45'E) is a World Heritage Site located in Romania along the Ukraine border.... More »
Predators: influence over habitatsLast Updated on 2012-06-14 at 21:52
Study of grasshoppers' diets shows that animals are an important part of organic matter decomposition. While being hunted, prey animal diets may affect how soil releases... More »