A realistic look at climate prospects for this century. This post puts a number of things in perspective. It includes a video of an 11-minute lecture that offers a clear description of what adjustments are needed to avoid a 5C global temperature increase, which is what we are now heading toward, so that we end up at no more than 2C. Several different scenarios are examined.
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Review of a new study concerning the feasibility of “negative emissions.” This complements the above story in that the belief is growing that abiding by a 2C limit will require contributions from technologies that can capture and sequester carbon after it has been emitted. One important conclusion is that credibility for the success of such intended action is still very much lacking, but efforts must continue.
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The history of solar radiation changes since 1700 has been corrected. The revised data shows that the sun has not been a contributor to the observed trend of warmer temperatures during this period, as many models have indicated.
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A promising new design for capturing energy from tidal wave movements. While yet to be demonstrated, a claim is made that it could produce electricity more cheaply than offshore wind farms.
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The very latest in wind turbine design, as described by one of the world’s top designers. The company that makes them is getting orders and expanding its facilities.
Carl