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

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In 2014, Volkswagen of America announced that starting with the launch of the zero-tailpipe emissions battery-electric 2015 e-Golf ( earlier post ), it would invest in projects to offset the carbon emissions created from the e-Golf on a full lifecycle basis: production, distribution and up to approximately 36,000 miles (57,936 km) of driving.

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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. For example, BECCS [BioEnergy with Carbon Capture and Storage] has been proposed as the primary method for achieving negative CO 2 emissions while simultaneously producing renewable energy on a global scale.

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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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Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes). Molten carbonate electrosynthesized boron-doped CNTs exhibit high electrical conductivity. —Ren et al. Licht (2017).

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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.

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Gallium Nitride and Silicon Carbide Fight for Green Tech Domination

Cars That Think

Can advanced semiconductors cut emissions of greenhouse gases enough to make a difference in the struggle to halt climate change? Such a change is actually well underway. What this means in practice is that, in comparison with Si or SiC, less charge has to flow into the device to switch it on or off.

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