Pope Francis has issued a new statement on environmental degradation and climate change. He wants individuals to get more involved, and provides cogent reasons. “Francis welcomed the Paris accord, but urged voters everywhere to make sure their governments did not backtrack. ‘It is up to citizens to insist that this happen, and indeed to advocate for even more ambitious goals,’ he said.” Good point.
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A new sociological study of the causes and consequences of escalating political polarization on climate change in the US. The report is quite thorough, mainly treated in an objective manner. Either side, if dominant in this year’s election, could produce consequences of a radically different nature, which is unlike the realistic expectations that arise from actual or alleged differences on practically every other issue.
For the full report, go to:
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Major slump in oil exploration. New discoveries are at lowest since 1947 and headed even lower. The replacement ratio is down to 6%, excluding unconventional resources. This has some people worried about the adequacy of future supplies, along with the potential for extraordinary price spikes. Otherwise, the development is entirely consistent with the teaching that a large portion of existing proven reserves must be left in the ground to avert a climate disaster. If that is the new reality, what is to be gained by adding more reserves? Today’s soft prices suggest that global demand is also soft. What if, contrary to all expectations, it turns out that global demand is already on the verge of a lasting decline?
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The idea of a huge methane outburst during the PETM is questioned. Studies of sediments that are relevant suggest instead that large amounts of methane were created from melting hydrates but impeded from being rapidly released into the atmosphere. Given time to degrade, methane still ends up as a source of CO2, where it has a much less powerful (and less dramatic) greenhouse effect but one which stays in place for a very long time.
There is a current unrelated study of methane seepage that supports the idea of a retarded breakdown process:
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A powerful new technology for capturing CO2 from flue gases. It has still only been demonstrated in laboratories, but the particulars are extremely interesting, the researchers are credible and a patent has been granted. The objective, capturing 90% of CO2 at a cost of not more than $40 per ton, is said to be within reach. If developed and put to use quickly enough it could make a big difference in emissions.