Monday, July 17, 2017

Koshland Science Museum virtual field trip on climate change

https://www.koshland-science-museum.org/explore-the-science/earth-lab


Earth is warming. Heat waves have become longer and more extreme. Droughts are more frequent in some places. Cold snaps are shorter and milder. Sea levels are rising. Many glaciers and ice caps are melting.








The Earth's climate has changed throughout history. Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000 years ago marking the beginning of the modern climate era — and of human civilization. Most of these climate changes are attributed to very small variations in Earth’s orbit that change the amount of solar energy our planet receives.

Read more @ https://climate.nasa.gov/evidence/

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