This graph shows Antarctic sea ice extent as of 10 September 2023, along with daily ice extent data for four previous years and the record maximum year. 2023 is shown in blue, 2022 in green, 2021 in orange, 2020 in brown, 2019 in magenta, and 2014 in dashed brown. The 1981 to 2010 median is in dark gray. The gray areas around the median line show the interquartile and interdecile ranges of the data. Graphic: National Snow and Ice Data Center

Antarctic sea ice sets a record low maximum by wide margin – “Polar ice is one of the world’s biggest insurance policies against runaway climate change, and we can see in both the North and the South sea ice, we’ve got problems and alarm bells are ringing”

By Kasha Patel 25 September 2023 (The Washington Post) – Sea ice levels around Antarctica just registered a record low — and by a wide margin — as winter comes to a close, according to the National Snow and Ice Data Center (NSIDC). This significant milestone adds worry that Antarctic sea ice may be entering […]

Number of generic extinctions per century among in different classes of vertebrates. The low number of reptiles and amphibia, which underestimate the magnitude of extinction pattern, is probably the result of the lack of information in earlier centuries, where very few species had been described. The dotted line represents the background extinction rate. Graphic: Ceballos and Ehrlich, 2023 / PNAS

Study finds human-driven mass extinction is eliminating entire branches of the tree of life – “We’re losing our only known living companions in the entire universe”

By Sean Cummings 18 September 2023 (Stanford News) – The passenger pigeon. The Tasmanian tiger. The Baiji, or Yangtze River dolphin. These rank among the best-known recent victims of what many scientists have declared the sixth mass extinction, as human actions are wiping out vertebrate animal species hundreds of times faster than they would otherwise […]

Percent prevalence of undernourishment, 2015-2022. Data: FAOSTAT Suite of Food Security Indicators, cited 12 July 2023. Graphic: Gallup

Hunger, food insecurity still higher than before pandemic – At the global level, there was no progress toward reducing food insecurity in 2022

30 August 2023 (Gallup) – Although hunger at the global level stopped rising in 2022, the latest State of Food Security and Nutrition in the World (SOFI) report shows that it is still increasing in many places around the world and that levels of both hunger and food insecurity remain higher today than they were before the pandemic. […]

Carbon dioxide emission reductions, in gigatons, required to limit warming to 2°C if climate action action were taken in each year from 2000 to 2029. Data: Robbie Andrew / Global Carbon Project. Graphic: Clayton Aldern / Grist

Humans are releasing greenhouse gases at level unprecedented in geologic history – “Uncertainty is not our friend”

By Saul Elbein 7 September 2023 (The Hill) – Human civilization came to be thanks to the comparatively stable climate of the past 10,000 years. But the unchecked burning of fossil fuels is undermining that foundation, according to a leading climate scientist. “There is no analog in the past for the rapid warming” we are […]

A combination picture shows satellite images of Ozello, Florida before flooding (L) on 12 January 2023 and flooding in the aftermath of Hurricane Idalia in Florida, U.S., 30 August 2023. Photo: Maxar Technologies / REUTERS / CBS News

Home insurers cut natural disasters from policies as climate risks grow – “The same risks that are making insurance more important are making it harder to get”

By Jacob Bogage 3 September 2023 (The Washington Post) – In the aftermath of extreme weather events, major insurers are increasingly no longer offering coverage that homeowners in areas vulnerable to those disasters need most. At least five large U.S. property insurers — including Allstate, American Family, Nationwide, Erie Insurance Group and Berkshire Hathaway — […]

CAMS Daily total cumulative carbon emissions from Canada wildfires in 2023, compared with emissions since 2003. Data for 2023 are current through 28 August 2023. Growth in fire emissions have surpassed 2014 to set a new record for the last two decades. Graphic: Mark Parrington / Copernicus Atmosphere Monitoring Service

Wildfires in Canada’s Northwest Territories have released 97 megatons of carbon, 277 times what its people emit – Emissions from wildfires across Canada in 2023 vastly exceed the 2014 record

By Liny Lamberink 28 August 2023 (CBC News) – Wildfires in the N.W.T have emitted 97 megatonnes of carbon into the air so far this year — 277 times more than what was caused by humans in the territory back in 2021. Mark Parrington, a senior scientist working at the European Union’s Copernicus Atmosphere Monitoring Service (CAMS), […]

A partially removed sign at Twitter headquarters in San Francisco, California, US, on Wednesday, 26 July 2023. Photo: David Paul Morris / Bloomberg / Getty Images

Thousands of scientists are cutting back on Twitter, seeding angst and uncertainty – “Now it’s just a cesspool of trolls and bots”

By Michael Hiltzik 25 August 2023 (Los Angeles Times) – In the first couple of years of the COVID-19 pandemic, Peter Hotez, an expert in vaccines and tropical medicine at Baylor University, found Twitter to be “a useful and at times almost essential tool for timely and important exchange of information.” The platform banned the […]

Estimated energy-related carbon dioxide emissions in 2021 and 2050 by sector, in billions of metric tons. Data: IPCC AR6 Scenarios Database hosted by IIASA release 1.0 average / IPCC C3: “Likely below 2°C” scenarios; ExxonMobil analysis. Emissions do not contain industry process emissions or land use and natural sinks Graphic: ExxonMobil

ExxonMobil predicts climate efforts will fail – “Fossil fuels remain the most effective way to produce the massive amounts of energy needed to create and support the manufacturing, commercial transportation, and industrial sectors that drive modern economies”

By Maggie Harrison 1 September 2023 (Futurism) – According to Exxon Mobil, oil giant and one of the more prominent architects of our planet’s fossil fuel-laden doom, humanity is likely to fail its climate goals of halting a global temperature rise of two degrees Celsius by 2050. As The Wall Street Journal reports, Exxon published its grim prediction in […]

Map showing the heat index forecast in the United States on 24 August 2023. 110 million people in the U.S. were exposed to dangerous heat today. Graphic: The Washington Post

Heat dome shatters all-time U.S. records as Europe roasts – “Brutal” heat wave brings triple-digit temperatures from Chicago to New Orleans – 110 million people exposed to dangerous heat

By Andrew Freedman 24 August 2023 (Axios) – In a summer featuring countless heat domes and record-high temperatures and heat indices, the season appears to have saved the worst for last. The big picture: A sweltering, stagnant air mass is draped across the Central U.S., resulting in “dangerous,” “searing” and “brutal” heat. Meanwhile, southern Europe is also seeing another bout of […]

(a) Linear trends in sea surface temperature (SST) (°C per decade) over the period 1982–2022. (b) Area-averaged time series of SST anomalies (°C) relative to the 1982–2022 reference period for the areas indicated in grey dashed lines in 5(a). Source: Derived from the Copernicus Marine Service remote sensing products available at https://doi.org/10.48670/moi-00168 (for 1982–2021) and https://doi.org/10.48670/moi-00165 (for 2022). Graphic: WMO

Pacific island sea levels rising faster than global average, WMO says – Economic damage in Southwest Pacific due to flooding in 2022 was $8.5 billion, almost triple compared to the previous year

By Gabrielle Tétrault-Farber 17 August 2023 GENEVA (Reuters) – Sea levels in the South-West Pacific are rising faster than the global average, threatening low-lying islands while heat damages marine ecosystems, the U.N. meteorological agency said on Friday. In its State of the Climate in the South-West Pacific 2022 report, the World Meteorological Organization (WMO) said […]

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