John Metcalfe

John Metcalfe is a staff writer at The Atlantic Cities.

Climate & Energy

The worst wildfires in a decade pour acrid smoke over Sydney

There are roughly 100 blazes popping in southeastern Australia, making the sky almost as black as night.

Climate & Energy

Here’s where you’re most likely to die from air pollution

A new NASA map of the planet lays out the depressing geographies of smog and premature death.

Climate & Energy

Harsh drought is drying up New Mexico’s largest reservoir

El Paso's drier than an cow bone baking in the Chihuahuan Desert, and an important source of water for drinking and farming has shrunk into a sandy puddle.

Climate & Energy

America’s wicked, deadly heat wave last week

American cities could see many more hot-weather fatalities in the decades to come, as climate change drives longer and more frequent heat waves.

Climate & Energy

For Cleveland, climate change could mean tons of toxic green algae

Heavy agriculture and global warming are aligning to produce nasty algae blooms in the Great Lakes, scientists say.

Climate & Energy

Great green north: Climate change curtails Canadian winters

NASA scientists say Canadian winters are warming up -- a change that's "like Winnipeg, Manitoba, moving to Minneapolis-Saint Paul in only 30 years."

Climate & Energy

How NASA scientists are turning L.A. into one big climate-change lab

Scientists with the Megacities Carbon Project hope to pin down a slippery piece of climate science: measuring a city's carbon footprint.

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