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Articles on Heat

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Higher temperatures cause drought, and can lead to food insecurity. Guido Dingemans, De Eindredactie/GettyImages

Extreme heat hurts human health. Its effects must be mitigated – urgently

Many of the temperatures presently being recorded in Africa, and those projected in the next decade, are already close to the limits of human survival, or “liveability”.
The health impact of wildfire exposure depends in part on the fire itself and how much smoke a person breathes in, how often and for how long. AP Photos/Noah Berger

What’s in wildfire smoke, and why is it so bad for your lungs?

Wildfires blanketing several Western cities are creating hazardous health conditions. Don’t count on cloth masks to protect your lungs.
People should be able to recognize dangerous high temperatures to avoid illness or death from heat. AP Photo/Mark Lennihan

How dangerous heat waves can kill

Heat waves can kill via dehydration caused by heavy sweating. Breathing or heartbeat may suddenly stop. Prolonged overheating can also create widespread inflammation.

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