Decarbonization or Climate Neutrality? Which is the Better Path to 2°C? Is There Even a Difference?

http://buildingindustry.org/one-million-tonnes-of-co2

In order to keep global temperatures under 2°C, the threshold generally accepted as the best way to avoid the most catastrophic impacts of climate change, there must be a limit on cumulative CO2 emissions. For those of you not tracking mitigation negotiations closely at COP21, there is some hot debating surrounding long-term signals maintaining this threshold….
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Carbon Capture and Sequestration – A Cautionary Tale

www.energydigital.com

“That is not what the IPCC says.”   At an event promoting carbon capture and sequestration technology (CCS), an audience member who co-authored a section of the IPCC Synthesis challenged the assertion that carbon capture and sequestration is a necessary technology to reduce greenhouse gas emissions. In doing so, he highlighted the tension between competing…
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Reading Between the Lines on the US-China Climate Agreement

China-deal-638x532

As noted on this blog yesterday, at the close of the recent Asia-Pacific Economic Cooperation Summit in Beijing, President Obama and President Xi Jinping issued a joint US-China “announcement” on climate change.  The United States announced that it intends to achieve economy-wide emissions reductions of 26%-28% below 2005 levels by 2025, while China for the…
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Are deserts carbon sinks?

desert

Can arid regions – specifically deserts – act as carbon sinks?  This study, led by Professor David Evans of Washington State University and published in the current edition of Nature Climate Change, offers this conclusion:  “Results provide direct evidence that CO2 fertilization substantially increases ecosystem C storage and that arid ecosystems are significant, previously unrecognized,…
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