Topic: Air pollution (page 4)

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Patricia Smith - The Conversation
(AP Photo/Chuck Burton)

Elizabeth Grossman - In These Times
(AP Photo/Matt Dunham)

pollution linked to dementia

Caleb Finch, Jiu-Chiuan Chen - The Conversation
FILE - In this file photo taken Saturday, Nov. 29, 2014, pedestrians wear masks against the pollution as they cross an overhead bridge over a busy highway in Beijing, China. A slick new documentary on China's environmental woes has racked up more than 175 million online views in two days, underscoring growing concern in the country over the impact of air, water and soil pollution. Costing about $160,000 to make, the documentary won praise Sunday March 1, 2015, from new Chinese Environment Minister Chen Jining. (AP Photo/Ng Han Guan, File) (AP)

Matthew Kahn - The Conversation
(Reuters/Aly Song)

Hiding the truth about China

Bob Hennelly

When government is toxic

Sarah Burris
(AP)

Nixon's landmark Clean Air Act

Richard L. Revesz, Jack Lienke
(Reuters/Gary Cameron)

Janet Allon - Alternet
(Glovatskiy/Shutterstock)

EPA takes on methane

Lindsay Abrams
(Fotokon/Shutterstock)

China's coal crisis

Lindsay Abrams
(TranceDrumer/Shutterstock)

"Good for humanity"? No way

Lindsay Abrams
(dwph/Shutterstock)

The downside of fireworks

Lindsay Abrams
(AP/Josh Reynolds)

SCOTUS sides with Big Coal

Lindsay Abrams
(AP/Altaf Qadri)

Joanna Rothkopf

Ioan Grillo - GlobalPost
(VanderWolf Images/Shutterstock)

EPA rule will save thousands

Lindsay Abrams
(Hamik/Shutterstock)

Fracking's radioactive threat

Lindsay Abrams
Paris bike share (MNStudio/Shutterstock)

Paris seeks biking revolution

Lindsay Abrams
(Kodda/Shutterstock)

Air pollution hits home

Lindsay Abrams
(Screenshot, Under the Dome)

China's anti-smog backlash

Lindsay Abrams
(nattanan/Shutterstock)

The true cost of gas is $6.25

Lindsay Abrams
(Screenshot, Under the Dome)

China confronts a crisis

Lindsay Abrams
(Michael Thien/Shutterstock)

Humanity's filthy history

Lindsay Abrams
(AP/Mel Evans/Alex Brandon/Photo montage by Salon)

Lindsay Abrams
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