SME
Grade 6 Science · Problem type
Human and natural causes of climate change
Use this for “Is this cause of climate change from people or from nature?”
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Is the cause from people or from nature?
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Assumptions
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Gases that trap heat (carbon dioxide, methane) are rising mainly because people burn coal, oil and gas and clear forests.
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Nature changes the climate too: volcanoes, the sun’s output and slow wobbles in Earth’s orbit. These are small or slow next to the last century’s warming.
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Evidence comes from thermometers, ice cores, tree rings and sea level.
Topic check
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