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Topic: carbon dioxide (page 2)

A layer of pollution can be seen hovering over Los Angeles, California (Getty/Frederic J. Brown)

Spike in greenhouse gas (that's not CO2)

Leta Dickinson - Grist
(AP Photo/Tim Ireland) (AP)

If the clouds disappear, we're screwed

Greta Moran - Grist
(Getty/Salon)

Our future with global warming is bleak

Matthew Rozsa
(Getty/MarianVejcik)

Natural gas: not so clean

Nicole Stock
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