Articles on Heat wave

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A tree canopy can make a big difference in temperature for people on the street below. The challenge is getting trees where they’re needed most. Andrey Denisyuk/Moment via Getty Images

Inside an urban heat island, one street can be much hotter than its neighbor – new tech makes it easier to target cooling projects

New technologies are making it easier to find these urban heat islets, opening the door to new strategies for efficiently improving community health.
Lionel Messi celebrates with fans after Argentina won the FIFA World Cup championship in 2022 in Qatar. Michael Regan-FIFA/FIFA via Getty Images

When big sports events expand, like FIFA’s 2026 World Cup matches across North America, their climate footprint expands too

Sports face a sustainability challenge: They’re under pressure to grow, but more travel means more emissions that add to rising global temperatures. The NCAA is also weighing expanding March Madness.
Cities like Houston get high humidity in addition to the heat, making summer almost unbearable without cooling. Brandon Bell/Getty Images

Trump moves to gut low‑income energy assistance as summer heat descends and electricity prices rise

The problem of high energy prices and rising numbers of people unable to afford them isn’t lost on the Trump administration.
Kearny Generating Station, a former coal-fired baseload power plant, now a gas-fired peaker, on the Hackensack River in New Jersey. Jim Henderson/Wikipedia

Utilities rely on dirty ‘peaker’ plants when power demand surges, but there are alternatives

As renewables account for a growing share of electricity supply, fossil fuel plants are increasingly used to balance fluctuations in renewable generation – emitting health-threatening pollutants.
Low-income neighborhoods with lots of concrete and few trees can heat up faster than surrounding areas. AP Photo/Richard Vogel

Heat risk isn’t just about the highs: Large daily temperature swings can harm human health – maps show who is affected most

Mapping daily temperature variations across the US revealed stark differences between wealthy and poor neighborhoods, and large differences by race.
When homes lose power, they lose cooling, too. Edmund Lowe Photography/Moment via Getty Images

America faces a power disconnection crisis amid dangerous heat: In 27 states, utilities can shut off electricity for nonpayment even in a heat wave

One in 4 American households is at risk of losing power because of the high cost of energy. Over 30% of those disconnections are in summer, when heat gets dangerous.

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