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Extreme Heat

All articles tagged with #extreme heat

Heatwaves already push seniors past deadly thresholds, new study finds
climate2 days ago

Heatwaves already push seniors past deadly thresholds, new study finds

A Nature Communications study re-examined six extreme heatwaves from 2003–2024 and found that when accounting for humidity, the body’s cooling ability, and age, these events contained non-survivable periods for people over 65, even without reaching the previously assumed 35 C wet-bulb limit. The findings suggest current heat risks are higher than earlier estimates and that heat-related deaths may be underreported, underscoring the need for stronger adaptation in hot and humid regions.

via The Guardian|
#climate#elderly#extreme-heat
Climate Crisis Pushes West Heatwave to Unthinkable Levels
environment17 days ago

Climate Crisis Pushes West Heatwave to Unthinkable Levels

A rapid analysis by World Weather Attribution finds the West heatwave this week is largely driven by the climate crisis, showing the event would be about four times more likely in a warming world and temperatures up to 30°F above March norms from California to Colorado, with health, infrastructure, and economic impacts and a warning that such extremes will become more common without policy changes.

via High Country News|
#climate-change#environment#extreme-heat
SoCal Braces for Potentially Record-Breaking March Heat Wave
climate-and-environment27 days ago

SoCal Braces for Potentially Record-Breaking March Heat Wave

A dangerous, multi-day heat wave is forecast for Southern California and much of the U.S. Southwest next week, with highs near 100°F or more (Downtown Los Angeles around 101°F). The National Weather Service has issued an extreme heat watch and a Monday heat advisory as temperatures rise 25–35 degrees above normal. The heat threatens babies, young children, and the elderly, prompting Mayor Bass to urge cooling centers at city facilities; residents should stay indoors, hydrate, and limit sun exposure to early morning or evening hours. While wildfire fuels are currently moist, the dry heat could accelerate drying with no significant rain in sight. Downtown L.A. could approach its 1879 March record of 99°F, potentially breaking it.

via Los Angeles Times|
#climate-and-environment#cooling-centers#extreme-heat
Most People Can't Power an Hour of Air Conditioning
energy1 month ago

Most People Can't Power an Hour of Air Conditioning

Billions in energy-poor countries cannot power even a single hour of air conditioning, leaving extreme heat a daily health and productivity burden. In many places, the average per-person daily electricity is far below what an hour of AC needs (India ~44 minutes, Nigeria ~13 minutes, South Sudan ~4.4), and AC ownership remains very low (roughly 5–16% in several large economies). Even affordable cooling like electric fans is out of reach for many. Solving this requires more affordable, cleaner electricity and more efficient cooling, even as AC accounts for about 3% of greenhouse gas emissions and demand could triple by 2050.

via Our World in Data|
#air-conditioning#data-visualization#electricity-access
Tropics on the Edge: Uninhabitable Heat and Mega-Floods by 2100
science2 months ago

Tropics on the Edge: Uninhabitable Heat and Mega-Floods by 2100

New climate models warn that by 2100 many tropical regions could regularly exceed dangerous heat levels (Heat Index above 103°F, with some places over 124°F) and experience a roughly 41% rise in extreme rainfall, pushing areas like India, Pakistan, Central Africa, and Southeast Asia toward uninhabitable conditions and increasing flood risk in underprepared megacities; another study projects hundreds of millions living in cities above the 29°C mean annual temperature threshold, underscoring stark adaptation gaps and inequality in resilience.

via Indian Defence Review|
#extreme-heat#extreme-rainfall#heat-index
Researchers Find Unexpected Behavior Exception in Public Parks
environment5 months ago

Researchers Find Unexpected Behavior Exception in Public Parks

Research in Los Angeles shows that park use declines during extreme heat, but behavioral patterns like time of day and day of week have a greater influence on visitation than heat or amenities. High social sensitivity residents are more willing to travel to less sensitive parks, highlighting disparities. The study suggests focusing on increasing tree cover and green spaces in marginalized communities to improve heat relief and equity, emphasizing the importance of urban planning solutions like cool roofs and reflective pavements to combat climate change effects.

via Yahoo|
#climate-change#environment#equity
Extreme Heat's Impact on Brain Health and Behavior
health7 months ago

Extreme Heat's Impact on Brain Health and Behavior

Extreme heat negatively impacts brain function, decision-making, and emotional regulation by impairing the blood-brain barrier, increasing oxidative stress, disrupting sleep, and elevating stress levels, especially affecting vulnerable groups. To mitigate these effects, experts recommend hydration, shade, air conditioning, and mental strategies like maintaining calm and self-control.

via Ynetnews|
#brain-function#climate-impact#extreme-heat
Europe Confronts Air-Conditioning Debate Amid Rising Heat Waves
world8 months ago

Europe Confronts Air-Conditioning Debate Amid Rising Heat Waves

As Europe faces increasingly frequent and severe heatwaves, air conditioning use is rapidly rising, transforming from a luxury to a necessity, which strains power grids and raises environmental concerns. Countries are adapting infrastructure and policies to manage the surge in cooling demand while balancing sustainability and energy security.

via Bloomberg.com|
#air-conditioning#climate-change#energy-demand