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Articles on Pollution

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Reduced traffic during lockdowns led to decreases in air pollution in many major cities in Europe. (AP Photo/Emilio Morenatti)

COVID-19 lockdowns improved air quality in some cities, shedding light on how to curb pollution

While most areas experienced a reduction in air pollution in response to lockdown measures, other areas saw only small improvements or even an air quality deterioration.
Jeremiah Kiarie rounds up tilapia at Green Algae Highland fish farm in central Kenya on April 29, 2017. Tony Karumba/AFP via Getty Images

Farming fish in fresh water is more affordable and sustainable than in the ocean

Aquaculture is a growing source of healthy protein for millions of people around the world, but there are big differences between farming fish on land and at sea.
One study found that 95% of baby foods tested contained at least one heavy metal. Plume Creative via Getty Images

How safe is your baby food?

Reports from baby food companies show questionable levels of arsenic, lead and other heavy metals. Here's what parents need to know.
‘Cancer Alley’ is an 80-mile stretch of chemical plants along the Mississippi River in Louisiana alongside many Black and poor communities. Giles Clarke/Getty Images

Biden has pledged to advance environmental justice – here’s how the EPA can start

The US environmental justice movement dates back to the early 1980s, but federal support for it has been weak and inconsistent. Here are four things Biden's EPA can do to improve that record.
Air pollution exposure during mid to early life may be more important to developing Alzheimer’s disease than doctors realized. Cecilie Arcurs via Getty Images

Air pollution may contribute to Alzheimer’s and dementia risk – here’s what we’re learning from brain scans

The tiny air pollutants known as PM2.5, emitted by vehicles, factories and power plants, aren’t just a hazard for lungs. A study finds more brain shrinkage in older women exposed to pollution.
Buddhist literature is used for teaching children about environmental issues in Taiwan. Photo credit should read SAM YEH/AFP via Getty Images

How Taiwan uses Buddhist literature for environmental education

Taiwan has made significant efforts in protecting its environment. A scholar writes about how the country educates its children on protecting the environment through Buddhist stories.

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