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Attendees at the Cambridge Disinformation Summit at King’s College, which took place on 27 July 2023 and 28 July 2023. Photo: Keith Heppell / Cambridge Independent

August 20, 2023

Cambridge Disinformation Summit musters interdisciplinary ethos and sets up future agenda – News outlets should get “nutrition labels”

By Mike Scialom 2 August 2023 (Cambridge Independent) – The inaugural Cambridge Disinformation Summit, which took place on Thursday and Friday last week, proved hugely rewarding, say speakers and delegates who attended. This first event, organised by Alan Jagolinzer, professor of financial accounting at Cambridge Judge Business School, offered a global interdisciplinary perspective on the […]

Globally averaged surface air temperature for all months of July from 1940 to 2023. Shades of blue indicate cooler-than-average years, while shades of red show years that were warmer than average. Data: ERA5. Graphic: C3S/ECMWF.

August 14, 2023

July 2023 sees multiple global temperature records broken – Global mean temperature temporarily exceeded the 1.5° C threshold – “The extreme weather which has affected many millions of people in July is unfortunately the harsh reality of climate change and a foretaste of the future”

8 August 2023 (C3S) – The month started with the daily global mean surface air temperature record being broken on four days in a row, from 3-6 July. All days throughout the rest of July were hotter than the previous record of 16.80°C, set on 13 August 2016, making the 29 days from 3-31 July […]

An aerial view of a wildfire in Kihei, Maui County, Hawaii, on 8 August 2023. Photo: Clint Hansen / Maui Real Estate / Reuters

August 9, 2023

“It’s apocalyptic”: People jump into the ocean to flee Maui wildfires – Burn patients overwhelm hospitals as 911 is cut off – Winds from Hurricane Dora fan flames – “This is so unprecedented”

By Holly Yan, Amanda Jackson, Jamiel Lynch and Chris Boyette 9 August 2023 (CNN) – The wildfires raging out of control in Maui are so catastrophic, some residents are hurling themselves into the ocean to escape the flames. Even emergency crews might not be able to help as the infernos – fueled in part by […]

Smoke from Canadian wildfires enveloped Washington, D.C. in June 2023. Photo: Kenny Holston / The New York Times

August 5, 2023

U.S. Republican energy strategy for 2024 denies climate change, calls for more drilling and less clean energy – “This agenda would be laughable if the consequences of it weren’t so dire”

By Lisa Friedman 4 August 2023 (The New York Times) – During a summer of scorching heat that has broken records and forced Americans to confront the reality of climate change, conservatives are laying the groundwork for future Republican administration that would dismantle efforts to slow global warming. The move is part of a sweeping strategy dubbed […]

Migrant workers from Mexico, working on six-month visas, pick squash and peppers on a farm in Lyons, Georgia, in July of 2023. Photo: José Ibarra Rizo / TIME

August 5, 2023

Extreme heat in 2023 endangers America’s workers and economy – Likely dozens of workers have already died from heat exposure in what may be the hottest summer in U.S. history – “Why are we being asked to choose between working and staying alive?”

By Aryn Baker 3 August 2023 GEORGIA (TIME) – Just after dawn on a recent July day in Rochelle, Ga., Silvia Moreno Ayala steps into a pair of sturdy work pants, slips on a long-sleeved shirt, and slathers her face and hands with sunscreen. She drapes a flowered scarf over her wide-brimmed hat to protect […]

Map showing forecast high surface temperatures in the U.S. for 4 August 2023. Data: National Weather Service. Graphic: Pivotal Weather

August 5, 2023

Summer 2023 heatwave just won’t quit, with more record-breaking high temperatures to come – Heat wave redux brings “oppressive” conditions to 70 million people in U.S.

By Andrew Freedman 3 August 2023 (Axios) – The heat wave that just won’t quit is bringing dangerously hot conditions from the Southern Plains to parts of the Mississippi River Valley, Gulf Coast, and increasingly, the Southwest, through the weekend. The big picture: Heat alerts are in effect for about 70 million people from Georgia to Kansas, […]

Maximum July temperatures averaged over the length of the heat events defined for the WWA study published on 25 July 2023 (left-hand side) and the same but expressed in anomalies with respect to 1950-2023 (right-hand side). The first row shows the Western USA and Mexico, the second Southern Europe and the third row China. Graphic: World Weather Attribution

August 5, 2023

Extreme heat in North America, Europe, and China in July 2023 made much more likely by global warming – Without human-induced climate change these heat events would have been extremely rare: China heatwave would have been a 1 in 250-year event, and max heat like in July 2023 would have been virtually impossible in the U.S./Mexico region and Southern Europe

25 July 2023 (World Weather Attribution) – Following a record hot June, large areas of the US and Mexico, Southern Europe and China experienced extreme heat in July 2023, breaking many local high temperature records. July 2023 saw extreme heatwaves in several parts of the Northern Hemisphere, including the Southwest of the US and Mexico, […]

Daily global surface air temperature, 1940-2023. July 2023 was the hottest July on record. The chart shows average global air temperature at 2 metres above the surface (land and sea). Data: Copernicus/ERA5. Graphic: The Guardian

August 5, 2023

“The era of global boiling has arrived,” says UN chief as July 2023 set to be hottest month on record – “Climate change is here. It is terrifying. And it is just the beginning.”

By Ajit Niranjan 27 July 2023 (The Guardian) – The era of global warming has ended and “the era of global boiling has arrived”, the UN secretary general, António Guterres, has said after scientists confirmed July was on track to be the world’s hottest month on record. “Climate change is here. It is terrifying. And […]

Satellite view of an algae bloom in the waters north of the Scandinavian and Kola peninsulas, 3 August 2023. The image was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite. One group of researchers observed large shifts in the location of summer coccolithophore blooms to the northeast between 2002 and 2018. They also identified an increasing presence of Phaeocystis pouchetii, a type of phytoplankton normally found in warmer waters that can form gelatinous colonies millimeters in diameter. The effect that such changes might have on the ecosystem is a topic of ongoing research. Data: MODIS data from NASA EOSDIS LANCE and GIBS/Worldview. Photo: Michala Garrison / NASA Earth Observatory

August 5, 2023

The ocean’s color is changing as a consequence of global warming – Color changes reflect significant shifts in essential marine ecosystems – “To actually see it happening for real is not surprising, but frightening”

By Jennifer Chu 12 July 2023 (MIT News Office) – The ocean’s color has changed significantly over the last 20 years, and the global trend is likely a consequence of human-induced climate change, report scientists at MIT, the National Oceanography Center in the U.K., and elsewhere. In a study appearing today in Nature, the team writes […]

Changes of sea surface temperature (SST) gradient anomalies and the spatial distribution of SST to a changing CO2 pathway. (A) Time evolution of latitudinal gradient of sea surface temperature anomaly (unit: °C) in the SH (pink) from its PD value. (B) Same as (A) but for the NH (black), the North Pacific (NP; 120°E to 90°W, green dotted line), and the North Atlantic (NA; 70°W to 0°E, orange dashed line) sectors with the Atlantic meridional overturning circulation (AMOC) strength anomaly from its PD value (skyblue; unit: Sv). The SST gradient is determined by the SST differences from the tropics (0° to 15°) to the midlatitudes (45° to 60°) in each hemisphere. The AMOC strength is defined by averaging annual-mean Atlantic meridional ocean stream function within the latitudinal band from 35°N to 45°N at a depth of 1000 m. Note that the weakening of AMOC is upwards in the right axis in (B). All values are based on the ensemble mean of 28 members (subjected to an 11-year running mean), with their 1 SD ranges across the ensemble members marked with shading. (C to E) SST changes (unit: °C) for peak (2121–2160) minus early RU (2001–2040) periods, late RD (2241–2280) minus peak periods, and late RD minus early RU periods, respectively. Climatological SST in the PD climate (unit: °C) is contoured in (C) to (E). The hatched regions in (C) to (E) indicate where temperature changes are statistically insignificant at the 95% confidence level. The SH, NP, and NA sectors for the SST gradient in (A) and (B) are denoted by colored boxes in (C) to (E). Graphic: Kim, et al., 2023 / Science Advances

August 5, 2023

Removing carbon from Earth’s atmosphere may not “fix” climate change – Changes to atmospheric circulation caused by global warming may persist for centuries after CO2 concentrations decrease – “We cannot control nature. We cannot reverse the consequences that easily. We cannot fix nature.”

By Tereza Pultarova 28 July 2023 (Space.com) – Removing carbon from Earth’s atmosphere may not reverse devastating changes to weather patterns in vulnerable areas, a new study suggests. In the study, Korean researchers simulated how removing large quantities of the greenhouse gas carbon dioxide from the air might affect the progress of local climate changes […]