Expert opinions dealing with the many issues created by rising temperatures around the globe (Rolling Stone). Jeff Goodell, one of our most prominent climate journalists, put together this long read about how humans will have to adapt to excessive amounts of heat, starting right now. Many experts are quoted, including, for example, Peter Gleick, who says, “There is a shocking, unreported, fundamental change coming to the habitability of many parts of the planet, including the USA.”
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A brief explainer about the role of the Amazon in global climate change (Phys.org). A Brazilian climate scientist gives succinct answers to four common questions. The Amazon rainforest, acting as a sink, absorbs about 5% of the CO2 that humans emit, but turning the jungle into a savannah would mean a great loss of that free benefit. “Unfortunately, we are already seeing signs of the Amazon turning into a savannah,” he said, citing the increasingly long dry seasons. “It’s not just theoretical anymore, it’s happening already.”
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The Congo Basin forest, a similar kind of sink for CO2, is also at risk of destruction by fire (The New York Times). In this case the problem lies with the presence of hot and dry conditions plus an enormous amount of prescribed burning on nearby grasslands. “If it catches the rainforest in the Congo Basin, it will be worse than in South America…..We are calling on governments to not be silent. Start acting now to make sure these fires are not getting out of control.”
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Hydroelectric power can be replaced advantageously by solar energy (Carbon Brief). One important advantage for solar is that the panels typically require only 13% as much ground space as the land covered by hydro backed-up water pools. In the US most dams are nearing the point where they will need to be replaced due to ageing or obsolescence. This means many of their free-flowing rivers could be restored without losing any of the benefits of cheap and clean renewable energy.
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In northern Greenland, an entire way of life has changed in one generation (The Mirror). A reporter’s first hand account, along with great photography.
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How temperatures have changed across the lower 48 states since 1895 (AL.com). This post contains a particularly good graphic map showing the changes in detail. A few spots are up close to 3C already while a few others have actually dropped a bit.
Carl