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Scientists Integrate Nitrogen Cycle into Climate Model; Results Suggests Atmospheric CO2 Concentrations May End Up Higher Than Expected

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Orange arrows show the additional processes represented in the coupled carbon-nitrogen land model, differentiated here between rapid internal cycling (solid arrows), and slower fluxes between land pools, the atmosphere, and ground water (dashed arrows). Resources. Tags: Climate Change Climate models. Thornton, S.

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Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

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That’s three times the amount estimated by the Intergovernmental Panel on Climate Change (IPCC). This is especially the case for those draining nitrogen-enriched urbanized and agricultural watersheds, highlighting the importance of managing nitrogen before it reaches open water. Beaulieu et al. PNAS doi: 10.1073/pnas.1011464108.

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Study Questions Lifecycle Emissions Benefits of Using CO2 for Enhanced Oil Recovery as a Method for Carbon Sequestration

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Source: Kansas Geological Survey. Secondary recovery techniques generally injecting water or gas to displace oil and drive it to a production wellbore, resulting in the recovery of 20 to 40% of the original oil in place. Undeveloped domestic oil resources still in the ground (in-place) total and estimated 1,124 billion barrels.

Oil 186
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Perspective: Regional Greenhouse Gas Cap-and-Trade Programs May be the Solution

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Markey of Massachusetts, both Democrats, built their climate change bill last year in large measure around it. As Senators Graham, Kerry and Lieberman try to resuscitate the climate change bill by introducing a revised bill in mid-to-late April, twenty-three U.S. Representatives Henry A. Waxman of California and Edward J.

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Gas War: 25 States Sue EPA Over Updated Emissions Regulations

The Truth About Cars

But both have stated that they’re concerned about the ramifications for traditional supply chains and the possibility that the changes would negatively impact the U.S. The claims made against the state and the California Air Resources Board seem largely irrefutable. Swelling vehicle prices was another issue.&

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