Global map of temperature anomalies relative to the 1981-2010 long-term average from the ERA5 reanalysis for January to October 2020. Graphic: Copernicus Climate Change Service / ECMWF

WMO: 2020 on track to be one of three warmest years on record – More than 80 percent of the global ocean experienced a marine heatwave in 2020

GENEVA, 2 December 2020 (WMO) – Climate change continued its relentless march in 2020, which is on track to be one of the three warmest years on record. 2011-2020 will be the warmest decade on record, with the warmest six years all being since 2015, according to the World Meteorological Organization. Ocean heat is at […]

Radar images from the Sentinel-1 satellite of the Milne Ice Shelf breakup at the end of July 2020. Photo: Dr. Adrienne White / Canadian Ice Service

Canada’s last fully intact Arctic ice shelf collapses – “This was the largest remaining intact ice shelf, and it’s disintegrated, basically”

By Moira Warburton 6 August 2020 (Reuters) – The last fully intact ice shelf in the Canadian Arctic has collapsed, losing more than 40% of its area in just two days at the end of July, researchers said on Thursday. The Milne Ice Shelf is at the fringe of Ellesmere Island, in the sparsely populated […]

Arctic temperature departures from average for 21 June 2020, showing extreme temperatures in Siberia and parts of Canada. The northeastern Siberian town of Verkhoyansk is likely to have set a record for the highest temperature documented in the Arctic Circle, with a reading of 100.4 degrees (38 Celsius) recorded Saturday, 20 June 2020. Graphic: Climate Reanalyzer

Hottest Arctic temperature record probably set with 100-degree reading in Siberia

By Andrew Freedman 21 June 2020 (The Washington Post) – A northeastern Siberian town is likely to have set a record for the highest temperature documented in the Arctic Circle, with a reading of 100.4 degrees (38 Celsius) recorded Saturday in Verkhoyansk, north of the Arctic Circle and about 3,000 miles east of Moscow. Records […]

Total column ozone field (in Dobson Units) from CAMS, 1 April 2020 - 6 April 2020, showing values below 250 DU over large parts of the Arctic. Video: Copernicus Atmosphere Monitoring Service / ECMWF

Arctic ozone depletion tracks at record levels in Spring 2020

9 April 2020 (WMO) – Depletion of the ozone layer, ­ the shield that protects life on Earth from harmful levels of ultraviolet radiation, ­is at an unprecedented level over large parts of the Arctic this spring . This phenomenon is caused by the continuing presence of ozone­-depleting substances in the atmosphere and a very […]

Map showing land and ocean global temperature percentiles and departures from average for January 2020. The January 2020 global land and ocean surface temperature was the highest in the 141-year record at 2.05°F (1.14°C) above the 20th century average of 53.6°F (12.0°C). This value surpassed the previous record set in 2016 by only 0.04°F (0.02°C). Graphic: NOAA / NCEI

January 2020 was the warmest January on record for the globe

13 February 2020 (NCEI) – The globally averaged temperature departure from average over land and ocean surfaces for January 2020 was the highest for the month of January in the 141-year NOAA global temperature dataset record, which dates back to 1880. This monthly summary, developed by scientists at NOAA National Centers for Environmental Information, is […]

Aerial view of a sinkhole caused by rapid permafrost thawing. Abrupt thawing is “fast and dramatic” and it “affects landscapes in unprecedented ways” says Dr. Merritt Turetsky. Photo: Dr. Merritt Turetsky

“Fast and dramatic” permafrost thaw will double previous estimates of potential carbon emissions – “Forests can become lakes in the course of a month”

By Natacha Larnaud 4 February 2020 (CBS News) – Rapidly thawing permafrost in the Arctic has scientists worried. According to a new study published Monday in the journal Nature Geoscience, the ice that holds the soil together is melting, causing hillsides to collapse and massive sinkholes to open up as a result. And that dramatic disruption to […]

Global surface temperature anomalies, 1880-2019, compared with the 1880-1899 average. The year 2019 was the second warmest year on record, capping the warmest decade since measurements began. Data: Gavin Schmidt / NASA GISTEMP. Graphic: InsideClimate

2010-2019: Earth’s hottest decade on record marked by extreme storms, deadly wildfires – “The climate of the 20th Century is gone. We’re in a new neighborhood.”

By Bob Berwyn 19 December 2019 (InsideClimate News) – Deadly heat waves, wildfires and widespread flooding punctuated a decade of climate extremes that, by many scientific accounts, show global warming kicking into overdrive. As the year drew to a close, scientists were confidently saying 2019 was Earth’s second-warmest recorded year on record, capping the warmest […]

Arctic surface temperature anomaly, 1958-2019, relative to the 1981-2010 baseline. Data: NOAA/ESRL Physical Science Division (WRIT Tool: +67°N). Graphic: Zachary Labe

2019 was hottest year on record in Russia, 2nd hottest in Arctic Circle – Warmest New Year’s Eve on record in Anchorage

MOSCOW, 30 December 2019 (AFP) – This year was the hottest ever registered in Russia, the country’s weather chief said on Monday, as climate change pushes global temperatures to record highs. “This year in Russia was the hottest for the entire period of instrumental observations,” the head of the Gidromedtsentr weather service, Roman Vilfand, told […]

The tail of a male grey whale that stranded near Victoria, B.C. in April 2019, with skin eaten by an infestation of cyamids, or whale lice. Photo: Fisheries and Oceans Canada

In 2019, 214 grey whales washed up dead on the West Coast of North America – “They get eaten alive”

By Lisa Johnson 28 December 2019 (CBC News) – The first grey whale found dead in B.C. last year was in such rough shape that someone called to report it was tangled up in a big pink buoy. The pink wasn’t plastic, officials learned when they arrived to tow the skinny male to shore near […]

Repparfjord is near the northernmost point of Norway. On 30 November 2019, Norway greenlit a copper mine that will dump two million tons of tailings in Arctic fjord each year. Photo: Thomas Nilsen / The Barents Observer

Norway greenlights copper mine that will dump two million tons of tailings in Arctic fjord each year – “Dumping of mining waste will kill every living thing on the ocean floor in the immediate area and disturb spawning grounds over a much greater distance”

ByThomas Nilsen 30 November 2019 (The Barents Observer) – “Allowing this to happen with a protected national salmon fjord doesn’t make sense at all,” said Silje Lundberg, head of Naturvernforbundet. The organisation is the Norwegian branch of Friends of the Earth. Lundberg said the planned dumping of tailings from the copper mine to the fjord […]

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