Could the pace of global temperature increases be speeding up? The answer may lie with the way natural changes occur within the Interdecadal Pacific Oscillation, or IPO. A new report, reviewed here, tells us about its current status, which could be shifting from negative to positive although that is still uncertain. When it does shift the rate of increase will be faster than it was from 1990 through 1014. The IPO is comparable to El Nino/La Nina, or ENSO, but the cycles spread out over a decade or longer and have lower amplitude. The effect overlies all other warming or cooling effects, now dominated by the warming of greenhouse gas.
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New findings show Alaska losing soil carbon more rapidly than estimated. A study shows large losses occurring in early winter, at a time when the soil is refreezing more slowly than before. “In the Arctic, emissions during the decomposition phase are outpacing CO2 uptake during the growing season.” This effect essentially shows an unexpected addition to the rate of erosion of permafrost, which mainly occurs in the summer.
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A description of humanity’s ecological footprint and the problem of sustainability. This is from Professor William Rees, who has been a leading researcher and author in this field of study. Climate change is viewed as just one part of a much larger problem, all of which is met with the same kind of resistance to fixing. “The problem is that what is politically feasible is often ecologically irrelevant.”
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Solar energy is a natural fit for India, and rapidly gaining a foothold (BBC). This is one of the most encouraging stories on the planet, because of India’s enormous population and the fact that not long ago it seemed headed for a future massively based on coal. Note the size of the world’s largest solar farm, recently completed.
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A report from the meeting in Bonn leaves no doubt about the repercussions of a US pullout from the Paris accord. It would unleash a powerful wave of international anger, as clearly described by a Chinese delegate. Trump’s proposed axing of a $2 billion pledge to the Green Climate Fund is also being widely condemned. A decision on the pullout has again been postponed in Washington, but must be made this month in time for a more critical type of meeting.
Carl