The Paris climate accord is about to fully satisfy its ratification requirements. That’s worthy of a small celebration, but we are reminded that there is no true means of enforcement, no penalty for violating pledges. These could be added at some later date, along with serious discussion about the need to greatly strengthen pledges.
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Preview in the Guardian of a new paper from James Hansen. The paper will be submitted in support of a legal trial prosecuted on behalf of the younger generation that expects to pay for cleaning up the damages caused by current carbon emissions. Lack of peer review is a weakness, otherwise it provides a useful summary of arguments that are relatively strong but still reasonably conventional. Hansen has eleven co-authors, and the paper is based on materials gathered from 80 published studies listed as references, that have been normally reviewed.
The entire paper is available at this site:
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A message from Hansen explaining why taking legal action of this type is justified, and why it could be effective. This case has the makings of a real classic in terms of testing the role and abilities of the legal system.
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A new study about the effect of rising CO2 levels on photosynthesis. It is found to be three times greater than usual estimates. Thus, “our study indicates that CO2 fertilization of photosynthesis is currently playing a major role in the global land carbon sink. This means that we should expect the land carbon sink to decline significantly when we begin to stabilize CO2.” That last sentence is an important one to remember. Is it possible that this form of carbon sink could actually be reversed (through excess biomass decay) during the course of a negative emissions program? That would significantly raise the cost.
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Questions are raised about why India is building hundreds of new coal-fired power plants. The inquiry comes from Greenpeace. No rational answer is provided, and no prediction of how such a bungling affair will turn out.
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A short video trailer for Leonardo DiCaprio’s new film, “Before the Flood.”