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Young adults face higher heat-related death risks than older populations

Younger people, particularly those under 35, are more likely to die from extreme heat caused by climate change than the elderly, a new study finds.

Sharon Udasin reports for The Hill.


In short:

  • About 75% of recent heat-related deaths in Mexico occurred in people under 35, with many aged 18 to 34.
  • Researchers linked heat deaths to physical activities, lack of air conditioning and outdoor jobs among younger adults.
  • The study suggests poorer nations with younger labor forces may experience even greater heat-related mortality.

Key quote:

“It’s a surprise. These are physiologically the most robust people in the population."

— Jeffrey Shrader, environmental and labor economist at Columbia University

Why this matters:

Younger adults often perform physically demanding jobs under heat-exposed conditions, making them more vulnerable to rising temperatures. As climate change intensifies, more heat-related deaths in this age group could strain families and economies worldwide.

Read more: Half a billion children face increasingly extreme heat

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Tribes exit pipeline negotiations in Michigan over lack of consultation

Seven Indigenous nations in Michigan have walked away from federal talks over a proposed oil pipeline tunnel, citing a lack of meaningful engagement and treaty violations.

Izzy Ross reports for Grist and Interlochen Public Radio.

In short:

  • The tribes oppose Enbridge’s Line 5 tunnel project, which would replace part of a 72-year-old pipeline under the Straits of Mackinac, a critical freshwater corridor between Lake Michigan and Lake Huron.
  • Their withdrawal follows the Army Corps of Engineers’ move to fast-track permitting under President Trump’s energy emergency order, which tribes say dismisses their environmental and legal concerns.
  • Tribal leaders and legal advocates argue that the project threatens water resources and violates both U.S. treaty obligations and international law requiring Indigenous consent.

Key quote:

“Tribal Nations are no longer willing to expend their time and resources as Cooperating Agencies just so their participation may be used by the Corps to lend credibility to a flawed [Environmental Impact Statement] process and document.”

— Letter from seven Indigenous nations to the U.S. Army Corps of Engineers

Why this matters:

Buried beneath the Straits of Mackinac, where Lake Michigan and Lake Huron converge, Line 5 has become a flashpoint in the battle over fossil fuel infrastructure, Indigenous sovereignty, and environmental protection. The aging oil and gas pipeline — operated by Canadian energy giant Enbridge — moves millions of gallons of crude and natural gas liquids daily through a region that holds 20% of the planet’s surface freshwater. A proposed tunnel to house a replacement segment beneath the lakebed has drawn fierce opposition from tribal nations, who warn it risks catastrophic spills and continued desecration of sacred territory.

Related: Trump donor’s company set to profit from Michigan pipeline deal

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