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218 Topic Pages Found in Environmental Sciences
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Open Acid rain
Acid rain

Acidic precipitation thought to be caused mainly by the release into the atmosphere of sulphur dioxide (SO 2 ) and oxides of nitrogen (NO x ), which

Open Adaptation (Biology)
Adaptation (Biology)

In biology, a trait of an organism that increases its chances of success in its environment. Animals and plants adapt to changes in their environment

Agassiz, Louis, 1807-1873

Swiss-born US palaeontologist and geologist who developed the idea of the ice age. He established his name through his work on the classification of

Open Air pollution
Air pollution

contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The


originally, a calendar with notations of astronomical and other data. Almanacs have been known in simple form almost since the invention of writing,

Open Alternative energy
Alternative energy

Although it consists of just 5 percent of the world's human population, the United States consumes the greatest share, 25 percent, of the world's

Open Amazon River
Amazon River

River in South America, the second longest in the world, after the Nile ; length 6,516 km/4,050 mi. The Amazon ranks as the largest river in the world

Open Animal migration
Animal migration

Movement, either seasonal or as part of a single life cycle, of certain animals, chiefly birds and fish, to distant breeding or feeding grounds. The

Open Archipelagoes

The term archipelago is most commonly used to refer to a group or chain of islands, although it can also refer to a sea containing a large number of

Arctic Archipelago (Nunavut and N.W.T.)

Umbrella term for thousands of separate islands that lie north of mainland Canada and the Arctic Circle and west of Greenland. The islands formed part