Time to wake up and smell the land, sea and sky ….
I usually write a column on global warming during the height of summer heat – it’s harder for people to deny global warming when they’re sweating.
But the highly authoritative United Nations’ Intergovernmental Panel on Climate Change’s (IPCC) recent report, “Climate Change 2013: The Physical Science Basis,” (http://www.ipcc.ch) has important warnings for us to seriously consider now.
The report authored by 259 scientists and editors from 39 countries declares that “Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia. The atmosphere and ocean have warmed, the amounts of snow and ice have diminished, sea level has risen, and the concentrations of greenhouse gases have increased.”
According to the report, atmospheric concentrations of carbon dioxide, methane and nitrous oxide have increased to levels unprecedented in over the last 800,000 years. Concentrations of the…
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