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Polar bears will be drowning, not waving
I WAS delighted to read in Philip Roe’s letter of September 11 that due to “massive gains in Arctic ice”, polar bears are now safe.
However a quick look at the NSIDC (National Snow and Ice Data Centre, supported by NASA) website shows a different picture.
The level of ice is up from this time last year, but still more than 15 per cent lower than the average for 1981 to 2010.
This is 398,000 square miles below that average.
The website contains a lot of evidence from satellite records but the overall message is that: “These contrasts in ice extent from one year to the next highlight the year-to-year variability attending the overall, long-term decline in sea ice extent.”
To misquote a well-known poem, some polar bears will be not waving but drowning. Or starving. Or both.
M Kendall, Wheldrake, York.
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