Pollution

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An artisanal miner climbs out of a gold mine with a bag of rocks broken off from inside a mining pit, at the unlicensed mining site of Nsuaem Top, in Ghana, on November 24, 2018.
Environment

Gold Prices Reach Record High, Poisoning Ghana's Land

As gold demand grows, Ghana's rural families turn to riskier operations, worsened by lax regulations and porous supply chains

A building is pictured through trees amid heave smog on a polluted day, in Beijing, China, on December 2, 2018.
Urbanization

Light Pollution Reshapes Growing Seasons 

A study finds artificial light at night can extend plant growing seasons, possibly altering ecosystems and public health