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South American environment

By |2018-04-19T15:03:07+00:00September 8th, 2017|Environment, South America|

The Andes mountains run down the Pacific side of South America South America is a long, narrow continent running from the equator down nearly to the South Pole. So the north part of South America, near the equator, is generally hot and wet. In the south part of South America, near the South Pole, [...]

Farming and famine – Climate change

By |2018-04-19T14:44:11+00:00June 20th, 2017|Environment|

Climate change: Hunters, bison and aurochs Cave painting from Lascaux, ca. 15,000 BC Climate change encouraged the evolution of the first humans, who probably evolved in Africa as the climate got drier and grasslands replaced jungles. People came down from the trees and evolved to swim and fish. They learned to walk upright [...]