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Pollution

Researchers saw spikes in hospital visits, inhaler refills and violent crime in areas inundated by wildfire smoke.

Nala Rogers, Staff Writer

Picture of desalination plant in Dubai

Desalination's leftovers may negatively affect oceans and ecosystems.

James Gaines, Contributor

Image shows shadowy figures and barrels of radioactive waste.

For 75 years, scientists have been trying to devise a way to make a vast supply of radioactive and chemically dangerous waste at the Hanford Nuclear Reservation safe.

Valerie Brown, Contributor

Is pollution killing a flower’s scent?

Emilie Lorditch, Staff Writer

New theoretical models help urban planners understand how residents think about clean air.

Jennifer Leman, Contributor

Numerous bits of orbiting debris threaten spacecraft, so two teams propose tracking them with unique license plate-like transponders.

Ramin Skibba, Contributor

Mixtures of chemical pollutants may harm people and wildlife, even when each chemical is below its regulatory threshold.

Nala Rogers, Staff Writer

Low oxygen areas are disappearing almost a month earlier than they did 30 years ago.

Joel Shurkin, Contributor

Nationwide study shows how manufacturing facilities can increase levels of medical compounds in waterways.

Anna Katrina Hunter, Contributor

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