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Articles on Pollution

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Powered by hydrogen gas, fuel cell vehicles produce only water as a tailpipe emission. Friedemann Vogel/EPA

The days of the hydrogen car are already over

Hydrogen cars were heralded as an avenue towards universal green motoring, but progress has stalled in recent years.
The mismanagement of plastic waste is one of the main causes of plastic pollution in nature. Larina Marina/Shutterstock

Why the UK needs to stop exporting plastic waste

Many countries export their plastic waste abroad – but the mismanagement of this plastic waste is one of the leading causes of plastic pollution in nature.
Millions have lost their homes in flooding caused by unusually heavy monsoon rains in Pakistan this year that many experts have blamed on climate change. (AP Photo/Fareed Khan)

The unfairness of the climate crisis — Podcast

Does the Global North have a moral responsibility to protect and compensate those in the Global South that disproportionately bear the brunt of climate change devastation?
Smokestacks in the Los Angeles neighborhood of Wilmington. Citizen of the Planet/Education Images/Universal Images Group via Getty Images

Environmental justice has the White House’s attention, building on 40 years of struggle – but California suggests new funding won’t immediately solve deeply entrenched problems

Poor communities of color have spent decades battling US industrial and agricultural pollution. A new EPA office is designed to support their struggle, but history suggests reason for caution.
Thick smoke fills the air and nearly blocks out the sun, east of Kamloops, B.C., on Aug. 14, 2021. THE CANADIAN PRESS/Darryl Dyck

Wildfire smoke may warm the Earth for longer than we thought

Brown carbon refers to a range of pollutants found in smoke from wildfires. They can contribute to global warming before they undergo a process that alters their chemical properties.
Snow’s physical properties mean that it can accumulate chemicals from the environment, including nanoparticles from car exhaust. (Shutterstock)

Snow can spread and worsen the effects of pollutants in the environment

From persistent chemicals to exhaust particulate matter, snow accumulates highly toxic pollutants. Regulations are needed to address the impacts on water supplies and the food chain.

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