Joe Romm discusses reasons why the renewable revolution is now unstoppable. This article, one of a series from this popular scientist, focuses on proofs that renewable energy with all of its variability can be integrated into the existing grid without jeopardizing reliability. Intermittency was once a major concern, but no longer. All of the necessary technology is now available and costs are competitive, both of which factors will continue improving. He is not so sure about the will to act with a needed sense of urgency at the policy level.
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For encouragement, a distinguished professor of energy policy from the UK provides a “big picture” overview of the historical shift in attitude toward reinventing the electrical system.
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New ideas about plankton and the carbon cycle. Some plankton, known as mixotrophs, can gain their nutrients by both photosynthesis and feeding on other plankton. The idea is that they can have a meaningful effect on the carbon cycle by the way they sequester carbon downward from surface waters. “If [mixotrophs] weren’t in the oceans, we’re suggesting atmospheric carbon dioxide might be higher.”
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A new theory that helps explain the odd way ice ages cycle. Another story for science-minded readers, this time showing how CO2 could be added to the atmosphere via excessive volcanism as a consequence of glacial melting activity once it has begun. That should have caused more heating and yet more rapid melting for a positive feedback effect. The same process could engage today, but on a smaller scale.
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Goldman Sachs sees huge growth ahead for electric vehicles. Their report shows what to expect from four different kinds of substantial improvements occurring in battery technology and cost. These are the main keys to consumer satisfaction that are not yet fulfilled.
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How Morocco will get 100% of its electricity. It is not too difficult when you have plenty of strong sunshine available. Construction of the world’s largest concentrated solar power plant is well underway, scheduled for completion by 2020. It will cover nearly ten square miles.
Carl