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Past Climate
Indirect methods (proxy measures) indicate that Earth's average temperature has varied many times as much as 10°C in concert with changes in atmospheric concentrations of greenhouse gases.
CURRICULAR RESOURCES on Past Climate
Vetted background ARTICLES on Past Climate
Find resources on the three sub topics of Past Climate:
Proxy Measures
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Ancient
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Recent
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Featured Resource
Video: Drilling Back to the Future: Climate...
6 min 15 sec In July of 2009, Climate Central senior research scientist Heidi Cullen traveled to Greenland with a production team from StormCenter Communications to visit the... More »
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Featured Article
Public Awareness of Climate Change
Most people, when surveyed about current issues, express at least a fair amount of concern about global climate change. They also believe that human activities are largely... More »
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Proterozoic
The Proterozoic eon is a time in the Earth's history that occurred from 2.5 billion to 543 million years ago. Many important events in the geologic history of the... More »
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Ancient Earth: The First Three Billion Years
The Big Bang, the single point in space and time from which all matter and energy in the universe supposedly emanated, is thought to have occurred sometime around 13.7 Ga... More »
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The Cryogenian Period: The Equator Under Ice
About 0.73 Ga, Earth underwent severe glaciations that eliminated much of life. The Cryogenian (Greek; ice + birth) period was initiated by several conditions. [1] The breakup... More »
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Featured Resource
Activity: Last Glacial Maximum - CLEAN
SUMMARY Activity takes two class periods. Computers with Internet access required. This activity has been selected for inclusion in the CLEAN Collection based on the... More »
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Lab Exercise: Vostok Ice Core: The Cold Hard...
In this lab, students learn how to use data from the Vostok ice core to measure and compare temperature between different temporal periods. Ice core samples contain several... More »
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Simulation: Climate and Carbon Science Mission...
The Lawrence Livermore National Laboratory has produced two dozen individual climate models simulating changes in the Earth's surface temperature and sea-ice extent at... More »
Air pollution emissions
Last Updated on 2013-04-25 at 23:59
Anthropogenic and Natural Emissions
Most pollutants are emitted both by natural as well as by anthropogenic sources. Natural sources are not influenced by humans... More »
Case: Impacts of Climate Change on Tribes in...
Last Updated on 2013-04-11 at 16:55
SUMMARY
This is a ‘clicker’ case, to be used in conjunction with an interrupted-lecture format, or an interrupted-workshop format. intended for lower... More »
Paleoclimate
Last Updated on 2013-04-04 at 14:58
Paleoclimate is the circumstance of much earlier mean meterological condtions, for times prior to instrumental weather measurements. Most discussions of paleoclimate... More »
Tribal Response to Climate Change and the Evolving...
Last Updated on 2013-04-01 at 16:52
SUMMARY
This case explores the relationship of paleo, archaic and modern native people to the past and present evolving ecosystem of Hood Canal. Cultural and economic... More »
Module: Climate Change: Fitting the Pieces Together -...
Last Updated on 2013-03-19 at 16:13
SUMMARY
This module was developed by COMET - UCAR, Publish Date: 2009
Languages: English, Spanish
Skill Level: Upper High School and... More »
Recent Climate Change - NCSE-NASA
Last Updated on 2013-03-19 at 16:09
SUMMARY
Webinar available.
This is a data-driven module designed to address key questions about the stability of the Earth’s climate in the past and the factors... More »
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