Articles on Heat wave

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To keep energy bills manageable, people often set heating and cooling temperatures to uncomfortable levels. Olga Dobrovolska/Moment via Getty Images

Just because the bill is low doesn’t mean energy is affordable

Energy is meant to improve people’s lives. Often cost prevents residents from making the most of that opportunity, so they cut back on energy use to be able to pay the bills.
Fans can help circulate air, but on a hot day they do little for people working in a Mississippi farmer’s market. AP Photo/Rogelio V. Solis

Chronic pain is missing from America’s heat warnings

Chronic pain can make it hard to walk, carry groceries or sleep through the night. A new study finds that extreme temperatures are linked to that kind of pain.
People try to stay cool on the sweltering streets of Manhattan during a heat wave in July 2025. Spencer Platt/Getty Images

How do scientists know if climate change made a heat wave, extreme storm or wildfire worse?

A National Academy of Sciences report examined the latest advances in extreme event attribution science. As four of the authors explain, the type of disaster makes a difference.
Extreme heat can become lethal quickly. A woman fans herself while waiting in line to buy Broadway show tickets during a heat advisory in New York’s Times Square in May 2026. AP Photo/Adam Gray

As a major heat wave grips the eastern US, here’s how to stay safe – and the heat stroke warning signs to watch for

A public health researcher explains the signs to watch for that someone is developing heat exhaustion or heat stroke, and what to do.
A record-tying heat wave helped spread a wildfire in Northern California’s Shasta and Trinity counties in July 2018. Terray Sylvester/Getty Images

How heat waves increase wildfire risk

Heat waves do more than dry out vegetation that can easily burn. They also play a role in lightning strikes, particularly dry lightning.
Many older adults rely on electric-powered medical equipment, such as portable oxygen and nebulizers that help them breathe. Westend61 via Getty Images

Power outages in heat waves and storms can threaten the lives of medical device users – we looked at who is most at risk

Premature deaths rise during long-term blackouts, and ERs fill up. Knowing who is at risk and some creative solutions can help.
Rising global temperatures are increasing the risk of heat stroke on hot days, among many other human harms. Ronda Churchill/AFP via Getty Images

Trump’s EPA decides climate change doesn’t endanger public health – the evidence says otherwise

Climate change is making people sicker and more vulnerable to disease, doctors and scientists explain. Erasing the federal endangerment finding increases the risk.

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