Past Climate Changes

By Josh B.

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Past Ice Ages

Past solar energy output

Causes: Earth's Orbit

Causes: Change's in Sun's Intnsity

Causes: Volcanic Eruptions

Causes: Change in GHGs

Causes: In Ocean Currents

Last 2000 Years

Abrupt Climate Change

Related links

Other student climate change websites

The past climate changes have taught us a few things about our planet and the direction of global warming. Climate changes occur in cycles roughly every 100,000 years. Our last mini ice age ended around 1850. We are currently in a natural period of global warming, the main concern is that human activity is maximizing the potential of global warming. meaning, the world is getting too hot too fast.