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State Department issues Draft Supplemental Environmental Impact Statement on Keystone XL Pipeline: climate change impacts

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Comparison of proposed Keystone XL route to previously proposed project segment. Aside from the potential construction and spill impacts of the pipeline, the scope of the climate change impacts have become the most contentious and politicized issue surrounding the pipeline. Source: Draft SEIS. Click to enlarge.

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Consortium proposes large-scale industrial cultivation of marine microalgae (ICCM) as solution to global energy, food, and climate issues

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Climate, energy, and food security are three of the most important global challenges society faces during the twenty-first century. In contrast, large-scale ICMM can positively impact climate, energy, and food security while avoiding many of the negative consequences of terrestrial plant-based BECCS. —Greene et al.

Mariner 150
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GWU team demonstrates one-pot process for optimized synthesis of controlled CNTs from CO2; coupling cement and C2CNT

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The production of synthetic fuels from carbon dioxide (and/or water) has been widely studied and can be efficient. An upper limit to the electrical cost to drive C2CNT electrolysis is $70 based on Texas wind power costs, but will be lower with fuel expenses when oxy-fuel plant energy improvements are taken account. —Licht (2017).

CO2 150
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Up close and personal with Volkswagen’s e-Golf carbon offset project: Garcia River Forest

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MRC lists the amount of chemical usage on its website, monitors chemicals in the water table, doesn’t use the herbicide within the watercourse protection zones, and plans to phase out the use of the chemical by 2020. Looking down to the water from the bridge, one can see fish flitting about in the clear water. Click to enlarge.

Carbon 150
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Study casting doubt on GHG benefits of corn stover ethanol draws sharp criticism by other researchers; Liska responds

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A study published earlier this year in the journal Nature Climate Change that cast doubt on whether biofuels produced from corn residue could meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions by 60% compared to gasoline ( earlier post ) has drawn critical response published as correspondence in the same journal.