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Threats from all of the worst impacts of climate change are concentrated in one country—Vietnam (Mongabay). “The country’s diverse geography means it is hit by typhoons, landslides, flooding and droughts, weather events expected to worsen in coming years…..Vietnam was named among nine countries where at least 50 million people will be exposed to impacts of rising sea levels and more powerful storms, among other dangers.” Forty percent of the fertile Mekong Delta would be lost from just 3.3 feet of sea level rise.
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Ocean shock—the planet’s hidden climate change (Reuters). This infographic contains a neat summary of the marine species migration that has been prompted by rising water temperatures. The condition affects a vast majority of all living things, occupying 71% of the planet’s surface plus a well-filled third dimension that is lacking on land.
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The oceans are also enduring their own kind of “deforestation,” with vital consequences for the air above. This story is about “the so-called blue carbon stored and sequestered by coastal vegetated ecosystems, such as mangroves, saltmarshes, macroalgae and seagrasses…..Although these cover only 0.5 % of the seafloor, their carbon storage capacity accounts for more than 55 % of the carbon stored by photosynthetic activity on Earth.” As a vital part of the oceanic carbon sink they “contribute significantly to climate change mitigation and alleviation of the rising atmospheric carbon dioxide concentrations….. Alarmingly, in the past 50 years, at least 1/3rd of the distribution area of coastal vegetated ecosystems has been lost.” These facts are not being accounted for in the planning of strategies required for halting future climate change.
For more information abut this important study: https://theconversation.com/we-desperately-need-to-store-more-carbon-seagrass-could-be-the-answer-105524
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The Guardian has commentaries from several scientists, plus a few points of its own, on the WWF report that was issued yesterday and reviewed in my letter. One shocking point is that the population decline of vertebrates that was reported to be 60% was up substantially from a decline of 52% for this group reported four years ago.
–In Haiti, there is a clear relationship between mass extinction and extreme deforestation:
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There may actually be a way to feed the world while restoring most land to a state suitable for growing forests and protecting the habitats of wildlife. George Monbiot describes research into producing food for humans by entirely artificial processes. “Their only ingredients are hydrogen-oxidising bacteria, electricity from solar panels, a small amount of water, carbon dioxide drawn from the air, nitrogen and trace quantities of minerals such as calcium, sodium, potassium and zinc. The food they have produced is 50% to 60% protein; the rest is carbohydrate and fat.” It sounds like a desperate solution, but maybe the only one that can literally save life on the planet!
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Subsidies for fossil fuel consumption around the globe rose 12% in 2017. This followed four straight years in which they declined. Subsidies of this type are supposed to make energy accessible to the poorest members of society. “However, the reality of the situation is that subsidies are very rarely implemented with the sort of forward-thinking and precision as would make them justifiable, and they have instead disproportionately benefited wealthier segments of society and who use much more of the subsidised fuel.”
Carl