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Climate Change

All articles tagged with #climate change

Winds and continental drift unlocked the Antarctic Circumpolar Current
science1 day ago

Winds and continental drift unlocked the Antarctic Circumpolar Current

New simulations show the Antarctic Circumpolar Current formed around 34 million years ago only after Australia moved north and strong westerlies blew through the Tasman Gateway, aided by a CO2 drop from ~1,000 to ~600 ppm and Antarctic isolation. Once fully developed, the ACC helped stabilize global climate by linking ocean basins and keeping warmer waters away from the ice sheets. Today, climate warming may push the current southward and slow it by about 20% by 2050, risking biodiversity and ice-sheet stability.

via ScienceAlert|
#antarctic-circumpolar-current#climate-change#oceanography
U.S. Posts Record-Breaking March Heat as Strong El Niño Looms
environment1 day ago

U.S. Posts Record-Breaking March Heat as Strong El Niño Looms

March was the hottest month on record for the continental U.S. in NOAA data, with an average of 50.85°F (10.47°C) and ~9.35°F (5.19°C) above the 20th‑century normal, driving a surge of all‑time daily and monthly heat records. Forecasters anticipate a super‑strong El Niño this summer/fall that could push global temperatures higher for years and reshape weather patterns, potentially influencing drought, rainfall, and hurricane activity.

via PBS|
#climate-change#el-nino#environment
California Braces for a Potentially Record-Setting El Niño Winter
weather2 days ago

California Braces for a Potentially Record-Setting El Niño Winter

Forecasters warn a potentially historic super El Niño could develop by fall, with NOAA predicting a >90% chance of El Niño and up to a 50% chance it will be strong; if it arrives, Southern California could see a wetter winter that replenishes water supplies but raises the risk of floods, debris flows and coastal erosion, even as it may reduce wildfire risk. Forecasters caution that even strong El Niños don’t always deliver predictable weather, citing past events (1982-83, 1997-98) that varied widely in rainfall. The pattern is tied to warmer Pacific waters and altered jet streams, and climate change could be intensifying swings; impacts may extend to marine life as warmer seas affect plankton and sea lion rookeries along the Channel Islands. More clarity is expected between May and June as models improve.

via Los Angeles Times|
#climate-change#el-nino#floods
March shatters U.S. heat record as El Niño looms
science2 days ago

March shatters U.S. heat record as El Niño looms

NOAA data show March 2026 was the hottest March on record for the continental U.S., with an average temperature of 50.85°F—9.35°F above the 20th‑century March norm—surpassing the previous all‑month record. The month featured thousands of daily heat records and highlighted the driest January–March period in years. Climate scientists say the extreme warmth is linked to human-caused warming, and forecasts point to a super‑strong El Niño forming later this year, likely pushing global temperatures higher into 2026–27 and influencing droughts and hurricane patterns.

via CBS News|
#climate-change#continental-united-states#el-nino
Self-experimentation with venom fuels a potential universal antivenom
environment2 days ago

Self-experimentation with venom fuels a potential universal antivenom

A Wisconsin window cleaner, Tim Friede, deliberately subjected himself to about 200 snake bites to build immunity, creating antibodies now used by Centivax to pursue a near-universal antivenom. His extraordinary risk—near-fatal collapses, coma, and severe tissue damage—has yielded antibodies that neutralize toxins from 19 elapid snakes, with a planned Australian pet trial before any human use. If successful, the work could reduce the roughly 138,000 annual snakebite deaths and 400,000 disfigurements, addressing a growing risk as climate change increases human–snake encounters.

via The Guardian|
#antivenom#centivax#climate-change
Record heat swamps the U.S. in March as El Niño looms
science2 days ago

Record heat swamps the U.S. in March as El Niño looms

March 2026 was the hottest March on record for the continental United States, averaging 50.85 F (10.47 C) — 9.35 F (5.19 C) above the 20th‑century March norm — and shattering heat records across the Lower 48, with NOAA noting more than 19,800 daily heat records and over 2,000 monthly records; January–March was the driest on record. Forecasters say a superstrong El Niño could push global temperatures higher into 2026–2027 and reshape weather patterns, potentially boosting Pacific hurricane activity and stressing water supplies in the West.

via Yahoo|
#climate-change#el-nino#heat-records
Emperor penguins endangered as Antarctic sea ice vanishes
environment2 days ago

Emperor penguins endangered as Antarctic sea ice vanishes

An IUCN red list update moves emperor penguins from near threatened to endangered as climate-driven sea-ice loss triggers mass chick drownings and colony collapses, with the population expected to decline about 50% by the 2080s (to roughly 595,000 adults), highlighting broader Antarctic ecosystem stress including krill-dependent species such as fur seals.

via The Guardian|
#climate-change#emperor-penguin#environment
Earthset: Six decades of warming since Apollo's Earthrise
science2 days ago

Earthset: Six decades of warming since Apollo's Earthrise

Earthrise to Earthset uses two images taken 58 years apart to highlight how CO2 rose from about 320 ppm in 1968 to ~430 ppm in 2026 and the global mean temperature climbed about 1.2°C, fueling more extreme heat, Arctic ice loss, glacier melt and sea-level rise. The warming tracks with increasing Earth energy imbalance and is amplified by El Niño events; with forecasts of another El Niño later in 2026, temperatures could push past recent records, underscoring the urgency of reaching net-zero emissions.

via The Conversation|
#climate-change#earth-observation#el-nino
Washington Bets on Conservation as Snowpack Shrinks and Drought Looms
environment2 days ago

Washington Bets on Conservation as Snowpack Shrinks and Drought Looms

Washington state has declared a statewide drought emergency after an unusually warm winter left mountain snowpack near record lows, threatening summer water supplies, fish habitat, and wildfire risk; officials warn supplies will likely fall short of demand and have launched emergency measures, including grants and expedited water-right processing, as forecasts show continued high temperatures and below-normal precipitation through June.

via KOMO|
#climate-change#drought#environment
Arctic Winter Sea Ice Nears Record-Low Max as Global Heat Pushes Extreme Records
environment14 days ago

Arctic Winter Sea Ice Nears Record-Low Max as Global Heat Pushes Extreme Records

Arctic sea ice reached its lowest winter maximum on record, essentially tying last year at about 5.52 million square miles; this diminished winter growth could hasten the summer melt, influencing climate patterns, shipping routes, and wildlife. Meanwhile, March heat records broke across the U.S., Mexico, Australia, Northern Africa, and Northern Europe, with Antarctica logging a record-cold day, underscoring a planet-wide pattern of extreme temperatures tied to warming.

via CBS News|
#arctic-sea-ice#climate-change#environment
Arctic winter sea ice near record low as global heat records surge
environment14 days ago

Arctic winter sea ice near record low as global heat records surge

Arctic sea ice reached its winter maximum at about 5.52 million square miles, roughly tying the lowest on record and about 525,000 square miles below the 1981-2010 winter average, signaling a steady decline as warming continues. The smaller ice pack means less sunlight reflected, allowing more heat to enter the oceans and potentially affect the summer melt and weather patterns. Antarctica meanwhile posted its coldest March day on record; melting sea ice does not raise sea levels, but the broader loss signals climate disruption with implications for ecosystems and shipping routes.

via NBC News|
#arctic#climate-change#environment