Tag

Environment Energy

All articles tagged with #environment energy

environment-energy27 days ago•13 min saved

Green-tech mineral race could create water-scarce sacrifice zones for the world’s poor

The Conversation piece by UNU researchers argues that the push to secure critical minerals for AI, EVs, wind, and digital tech risks concentrating pollution and water stress in poor communities. 2024 lithium mining alone consumed about 456 billion liters of water, with places like Chile’s Atacama using up to 65% of regional water and polluted rivers harming ecosystems. Health impacts include higher miscarriage rates, birth defects, infant mortality, cancers, and other illnesses linked to heavy metals, especially in the DRC’s cobalt and copper regions. The authors urge stronger international governance, binding supply-chain and environmental standards, local community co-governance, water-saving mining tech, better wastewater management, and greater recycling and product longevity to prevent “sacrifice zones” and ensure a just energy transition.

via The Conversation|

#critical-minerals #environment-energy #governance

environment-energy1 month ago•11 min saved

In Chernobyl, absence of humans reshapes wildlife more than radiation

The Conversation piece argues that headlines about radiation driving dramatic wildlife changes at Chernobyl are overstated; while some dog populations show genetic differences, these are more likely due to breed history, habitat, and disease than radiation. The broader point is that the exclusion zone’s ecosystems are shaped far more by the absence of humans, effectively turning parts of it into a nature reserve, than by radiation exposure. Long‑term health effects on people from the accident remain socio‑economic and mental health concerns, underscoring the need for careful science communication to curb misinformation.

via The Conversation|

#chernobyl #dogs #ecology

environment-energy1 month ago•11 min saved

Paris quiets the streets, but urban birds still sing with higher pitches

New research shows Paris has become quieter over the past decade thanks to measures like cyclist-friendly streets, automated noise cameras, and Bruitparif monitoring, reducing noise by about three decibels. However, great tits in Paris still sing at higher pitches than birds in nearby quiet forests, indicating that further noise reductions are needed before urban birds can revert to their natural songs. The study also notes that quieter periods, such as COVID-19 lockdowns, briefly allowed some birds to lower their pitch, illustrating the potential for change when cities become quieter.

via The Conversation|

#birdsong #decibels #environment-energy

environment-energy2 months ago•12 min saved

Historic Snow Drought Tests the West's Water, Power and Fire Season

Winter 2026 brought an unprecedented snow drought across the Western U.S., with most basins well below the 1991–2020 median and only a few near or above average. The reduced snowpack tightens water supplies and river flows, signals possible cuts to water rights allocations, and threatens Lake Powell’s hydroelectric power capacity. Warmer temperatures and sparse snow raise concerns about a fiercer fire season, making this drought a high-stakes stress test for the West and a potential glimpse of a warmer climate future.

via The Conversation|

#climate-change #environment-energy #snow-drought

environment-energy2 months ago•12 min saved

Snow drought reveals West's hidden water and wildfire risks

The 2026 Western snow drought left most basins well below the 1991–2020 median snow water equivalent as unusually warm temperatures turned precipitation into rain, threatening spring runoff, water allocations, and hydroelectric power (notably Lake Powell). The drought also heightens wildfire risk and raises questions about subsurface water stores and future management across the Colorado, Columbia, and Missouri basins in a warming climate.

via The Conversation|

#climate-change #colorado-river-basin #environment-energy

environment-energy2 months ago•13 min saved

Rivers in Peril: Global Migratory Fish Declines Threaten Food and Culture

A global assessment finds migratory freshwater fish collapsing due to dams, overfishing, habitat loss and pollution; 97% of migratory species are at risk of extinction, mega-fish in the Mekong have declined ~95% since 1970, and cross-border cooperation under the Convention on Migratory Species is needed to restore river connectivity and protect livelihoods and diets across major basins.

via The Conversation|

#biodiversity-decline #dams #environment-energy

environment-energy4 months ago•10 min saved

Hot Cups Leach Microplastics: Temperature Key in Takeaway Coffee

A new study shows takeaway cups shed thousands of microplastic particles when hot, with temperature being the main driver. In Brisbane tests, all-plastic cups released more microplastics than paper cups with plastic linings at both cold and hot temperatures, and hotter liquids increased releases by about one third for plastic cups. The researchers estimate that sipping 300 ml daily from polyethylene cups could expose a person to roughly 363,000 microplastics per year. To reduce risk, use reusable cups or request cooler drinks, and avoid pouring boiling liquids into plastic-lined containers. While health impacts remain uncertain, the study highlights how material choice and heat affect microplastic exposure.

via The Conversation|

#coffee-cups #environment-energy #microplastics

environment-energy2 years ago•4 min saved

"Mitigating Wildfire Risk: Addressing Climate Change, Aging Power Lines, and Emergency Alert Systems"

Aging power infrastructure and the impacts of climate change are increasing the risk of utilities starting wildfires, as seen in the case of the Smokehouse Creek Fire in Texas. Many utilities lack the technology to detect overheating power lines, and climate change is exacerbating the risk with drier vegetation and hotter weather. While some utilities are investing in solutions like weather sensors and proactive shutoffs, others are not prioritizing wildfire prevention, which could impact both safety and the affordability of electric bills.

via NPR|

#climate-change #environment-energy #power-infrastructure