A NOAA Press Release (edited) December 9,2021
NOAA's 2021 Arctic Report
(Editor's Note: Please watch the above video (4 minutes) if possible. The first paragraph is from NOAA's Executive Committee. The itemized findings follow. [CR-Borderlands Digest])
“The Arctic story is a human story,....We all have a role to play in creating
the best possible outcomes for the region, its residents and all the citizens
of the globe who depend on the Arctic as a critical component of our Earth system.”
Twila Moon, an Arctic scientist with the National Snow and Ice Data Center
Executive Summary
As the influences of human-caused global warming continue to intensify, with the Arctic warming significantly faster than the globe overall, the 2021 Arctic Report Card (ARC2021) brings a broad view of the state of the Arctic climate and environment. The ARC2021 provides an update on seven Arctic Vital Signs, from sea ice to snow and air temperatures to tundra greenness, and checks in on three Indicator topics for updates on river discharge, ocean acidification, and observations of substantial Arctic beaver expansion. The noteworthy emerging topics in the four ARC2021 Frostbites—marine debris, marine noise, food access during the COVID-19 pandemic, and glacier and permafrost hazards—share a common link as they look at the impacts of more people and human activity in the Arctic as well as the challenges and hazards people face with the rapidly changing cryosphere. The scientific and observational story of the Arctic is a human story—of climate change, of increased shipping and industrial activity, and of communities responding to local and regional disruptions.
Some of this year’s significant findings include:
The October-December 2020 period was the warmest Arctic autumn on record dating back to 1900. The average surface air temperature over the Arctic this past year (October 2020-September 2021) was the 7th warmest on record. The Arctic continues to warm more than twice as fast as the rest of the globe.
The snow-free period across the Eurasian Arctic during summer 2020 was the longest since at least 1990. June 2021 snow cover in Arctic North America was below the long-term average for the 15th consecutive year. June snow cover in Arctic Europe has been below average 14 of the last 15 years.
Following decades of relative stability, the Greenland ice sheet has now lost mass almost every year since 1998, with record ice loss in 2012 and 2019. In August, rainfall was observed at the Greenland ice sheet’s 10,500-foot summit for the first time ever.
The volume of post-winter sea ice in the Arctic Ocean in April 2021 was the lowest since records began in 2010. The amount of older, biologically important multiyear sea ice at the end of summer 2021 was the second-lowest since records began in 1985.
The total extent of sea ice in September 2021 was the 12th lowest on record. All 15 of the lowest minimum extents have occurred in the last 15 years. The substantial decline in Arctic ice extent since 1979 is one of the most iconic indicators of climate change.
The loss of sea ice has enabled shipping and other commercial and industrial activities to push deeper into the Arctic, in all seasons, resulting in more garbage and debris collecting along the shore and more noise in the ocean, which can interfere with the ability of marine mammals to communicate.
Some of the fastest rates of ocean acidification around the world have been observed in the Arctic Ocean. Two recent studies indicate a high occurrence of severe dissolution of shells in natural populations of sea snails, an important forage species, in the Bering Sea and Amundsen Gulf.
“The Arctic story is a human story,” said Twila Moon, an Arctic scientist with the National Snow and Ice Data Center, and one of three editors of the 2021 Arctic Report Card. “We all have a role to play in creating the best possible outcomes for the region, its residents and all the citizens of the globe who depend on the Arctic as a critical component of our Earth system.”
Click below to:
Read NOAA's 2021 Arctic Report Card and watch the video summary.
Photos on this page by Craig Rock unless noted.
What’s Polluting the Air? Not Even the EPA Can Say.
Despite the high stakes for public health, the EPA relies on emissions data it knows to be inaccurate. To expose toxic hot spots, we first had to get the facts straight.
by Ava Kofman
For decades, a factory on the outskirts of Portland, Oregon, has churned out hulking metal parts for Boeing’s commercial airplanes. Despite the steady pulse of its machinery, the plant maintains a low profile; Oregonians more readily associate Boeing with its historic headquarters up north in Seattle. Perhaps, I reasoned last spring, this helped explain why no one had noticed that the company’s satellite campus seemed to have unleashed an environmental catastrophe.
In 2016, Boeing reported to the Environmental Protection Agency that it had massively ramped up the amount of chromium compounds it was pumping into the skies of eastern Portland. For anyone who followed Erin Brockovich’s crusade against the dangerous chemical in Hinkley, California, this should have come as alarming news. Hexavalent chromium, as the highly toxic form of the metal is known, can cause lung, nasal and sinus cancers, trigger pulmonary congestion and abdominal pain, and damage the skin, eyes, kidneys and liver. Although it is widely used in the aerospace industry to protect plane parts from corrosion, hexavalent chromium is such a potent carcinogen that in 2004 Boeing’s own environmental newsletter acknowledged that “it would be most desirable to eliminate the offending agent” altogether.
Read the full report by click here on sub page
or read the report and see graphs - click on ProPublica's link