Report: Household tissue consumption has a devastating effect on Canada’s boreal forests (Climate News Network). “The report says logging on an industrial scale destroys more than a million acres of boreal forest each year.” Much of this timber is converted into high quality tissue paper. “The consequences for indigenous peoples, treasured wildlife and the global climate are devastating…..It insists there are solutions to the problem; sustainably sourced, alternative fibres such as wheat straw and bamboo are available which would greatly reduce the amount of trees being felled.”
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An appraisal of Greenland’s unprecedented rate of ice sheet melting (Yale e360). A new study has found compelling evidence that demonstrates the amount of change. “In the last two decades, melting rates of the ice are 33 percent higher than 20th century averages; the melting, moreover, is not only increasing but accelerating…..And what seems clear now is that Greenland is no longer changing in geological time. It is changing in human time…..We are only poised, precariously, at its worrisome beginning.” The story provides an in-depth review of the processes involved.
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One of the natural links that serves to protect the Arctic Ocean’s oldest sea ice is weakening (Gizmodo/Earther). When sea ice breaks up it needs to migrate southward into open oceans in order to completely melt. One of the narrow highways of migration that is normally slow to open up in the summer is losing that ability. “The area of the high Canadian Arctic around the Nares Strait is where climate models project that older, multi-year ice will hang on the longest…..he worries about what earlier and earlier openings of the Nares Strait will mean for the region as a whole.”
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Aircraft contrails have a surprisingly large greenhouse effect, and are rapidly growing (EurekAlert). They form thin cirrus clouds containing ice particles, at high altitude, which have a total greenhouse effect even stronger than that of aircraft carbon emissions. “In 2005, air traffic made up about 5% of all anthropogenic radiative forcing, with contrail cirrus being the largest contributor to aviation’s climate impact…..due to air traffic activity, the climate impact of contrail cirrus will be even more significant in the future, tripling by 2050.” How to resolve this problem is still not clear. I think there is a real need to somehow electrify the source of power, similar to what automobiles are doing.
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The current humanitarian emergency in the Sahel region of Africa is unprecedented (ReliefWeb). This one of the world’s most vulnerable regions. “Across the Sahel, 4.2 million people are uprooted…..More than 7 million people are struggling with food insecurity.” Armed violence has been rising and a new lean season for agriculture is getting underway. Altogether, 15.3 million people need assistance, which is not well-funded at this time.
Carl