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Trees on a mountain in northern Utah during early autumn. Deforestation is a major anthropogenic source of carbon dioxide emissions, whereas reforestation is a major sink.

DR04

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Intro to Remote Sensing - NCSE-NASA Last Updated on 2013-03-19 at 16:08 SUMMARY Data Description Landsat Data has been prepared for each participating campus. Using the 30 yr Landsat period from 1975 to 2005, data can be used to examine... More »

Forests as a Carbon Sink Last Updated on 2013-01-08 at 12:06 Forests as a carbon sink are often overlooked as a major source of carbon removal from the atmosphere, a process known as carbon sequestration. Conversely, deforestation,... More »

Importance and relationship of boreal forests to... Last Updated on 2012-10-16 at 15:26 This is Section 14.2 of the Arctic Climate Impact Assessment. Lead Author: Glenn P. Juday; Contributing Authors: Valerie Barber, Paul Duffy, Hans Linderholm, Scott... More »

Greenhouse gas Last Updated on 2012-09-22 at 11:56 A greenhouse gas is one of several gases that can absorb and emit longwave (infrared) radiation in a planetary atmosphere. This phenomenon is often termed the greenhouse... More »

Activity: Town Hall Meeting - Eco Tipping Points Last Updated on 2012-08-29 at 14:07 SUMMARY This lesson uses group problem solving and role-playing to teach students about environmental crises and the problem-solving skills needed to deal with them.... More »

UK Department for Environment, Food and Rural Affairs Last Updated on 2012-08-22 at 14:54 The Department for Environment, Food and Rural Affairs (Defra) is the government department responsible for environmental protection, food production and standards,... More »

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