Temperature – Fahrenheit and Celsius
See how the degrees match up. Many hot things take up more room than the same things when they are cold. Thermometers take advantage of that to measure heat. The old-fashioned kind of [...]
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07, 2017
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06, 2017
Early European environment: northern Europe
Black Forest in Northern Europe: the early European environment had a lot of forests like this one. Not so different from Central Asia When people first arrived in northern Europe [...]
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06, 2017
What was the Little Ice Age?
Rice paddy with a Chinese man planting rice The Medieval Warm period During the later Middle Ages, the climate, at least in some parts of the world, was a little [...]
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06, 2017
Bering land bridge – Native Americans
Bering Strait - today there's ocean, but long ago there it was the Bering land bridge Ocean levels were lower During an Ice Age, when the world is colder, more [...]
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06, 2017
Farming and famine – Climate change
Climate change: Hunters, bison and aurochs Cave painting from Lascaux, ca. 15,000 BC Climate change and human evolution Climate change encouraged the evolution of the first humans, who probably evolved [...]
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06, 2017
Global warming in modern times
Coal plant in China: causing global warming When did global warming start? Human activities probably started to affect the world's climate as early as about 10,000 BC. That's when people [...]
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06, 2017
Climate change and the Philistines
Did climate change cause a Bronze Age crisis? Tomb stela of Nemti-ui, from the First Intermediate Period. The stele's only painted, not carved, because people couldn't afford carving after the climate [...]
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06, 2017
Climate change and world history
Climate change and world history: Wildebeest on savannah grasslands, Kenya (Africa) African grasslands emerge In the years just before human beings first evolved, the world was a wetter place than [...]
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06, 2017
First Intermediate Period
First Intermediate Period: a time of climate crisis? A Nilometer on Elephantine Island (Nile Valley Tours) - This ancient Egyptian device measured how high the Nile floods were each year. [...]
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06, 2017
Egyptian geography and environment
Egyptian geography: a map showing the Sahara desert and the Nile river The Sahara Desert Egypt has a very special environment, which has played a very big part in Egyptian [...]
