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Positive Feedback Loop of Soil Microbes in Permafrost

Description:
PBS video about how decomposition in the permafrost layers is greater than previously thought and how this positive feedback loop provides more carbon dioxide to the environment.

Web Location:
http://www.pbslearningmedia.org/resource/ean08.sci.ess.earthsys.microbe/soil-microbes-and-global-warming/

Related Topics:
2. Physical processes on Earth are the result of energy flow through the Earth system.
3. Biological processes depend on energy flow through the Earth system.

Associated Grade Levels:
5-67-89-10Public

Related Sub-Topics

3.4 Energy flows through food webs in one direction, from producers to consumers and decomposers.

2.3 Earth’s weather and climate are mostly driven by energy from the Sun.

2.6 Greenhouse gases affect energy flow through the Earth system.

2.7 The effects of changes in Earth’s energy system are often not immediately apparent.

2.1 Earth constantly changes as energy flows through the system.

About NARA

Scientists from public universities, government laboratories and private industry from throughout the Northwest, and beyond, are joining together to focus on developing ways to turn one of the region's most plentiful commodities—wood and wood waste—into jet fuel.

Led by Washington State University, the Northwest Advanced Renewables Alliance (NARA) will take a holistic approach to building a supply chain for aviation biofuel with the goal of increasing efficiency in everything from forestry operations to conversion processes. Using a variety of feedstocks, including forest and mill residues, construction waste, as well as new energy crops, the project aims to create a sustainable industry to produce aviation biofuels and important co-products. The project includes a broad allianc. . . View More


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NARA is primarily supported by an Agriculture and Food Research Initiative Competitive Grant no. 2011-68005-30416 from the USDA National Institute of Food and Agriculture.
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