Game theory helps to explain the lack of sufficient action to mitigate climate change. This story reviews a new paper published by a team of mathematicians, describing a number of insights that seem quite credible. It should give you much to think about. There is still the problem that the globe has 195 different countries, each with its own type of government, type of popular culture, type of dependence on fossil fuels and type of exposure to climate damage, etc., etc., with large differences in every respect, making the desired level of cooperation fundamentally difficult.
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Pope Francis speaks out again. It would help if a great many more religious leaders of all faiths, and at all levels, would join him in loudly delivering the same broadly-based message.
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Small-scale solutions based on simple concepts of behavioral change are being promoted by a consortium of conservation organizations. It’s all about generating motivation of a truly independent type, without relying on government rules or religious doctrine, in total opposition to a consumer culture driven by advertising. Similar movements have a long and deep history, actually serving a leading role in the early development of several of the world’s most dominant religions.
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“7.5 billion and counting: How many humans can the Earth support?” The author is a professor of mathematics who, as many others have done before, draws attention to the existing discrepancy between population growth and the availability of resources, but especially in the face of a constant pursuit of higher living standards everywhere.
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A new study quantifies reductions in the carbon budget required by the latest estimates of greenhouse gas emissions from natural sources during the rest of this century. The sources include CO2 from permafrost melting and methane from the warming up of soils and wetlands. Because of the uncertainties involved these numbers are not included in most climate models. This opens up the question (again) of whether it is better to apply informed estimates of these emissions or to simply overlook them completely.
–Here is a link to the full study, which has a paywall, but lets you read the abstract and check out references.
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A quick review of all-time hottest temperature records broken in many parts of the world this past week.
Carl