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A dark salamander sits on a gloved hand.
Photo Credit
Brooklyn Stone
Noel the northwestern salamander hitched a ride on a Christmas tree from the Pacific Northwest to sunny Santa Barbara.

From forest to living room: How Christmas trees can transport wildlife across states

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A large field of sunflowers near Sacramento.
Photo Credit
Tfoxfoto via iStock
Tweaks to farming practices could preserve some of California’s declining water resources.
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A tractor sprays a soybean field in spring.
Photo Credit
Fotokostic vi iStock
Organic farming practices can increase pesticide use in neighboring, non-organic fields.
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Wind turbines behind solar panels at sunset
Photo Credit
iStock \ hrui
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A chiton sits among algae on a rock.
Photo Credit
Marcelo Rojas González via iNaturalist
The shell of the variable tonicia is covered in complex, image-forming eyes.
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Beijing’s Forbidden City lies shrouded in industrial smog.
Photo Credit
Holger Kleine via iStock
China’s infamous air pollution affects its citizens’ minds as well as their bodies.
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a cathedral in the middle of a mountain town in Colombia
Yarumal, a municipality in the foothills of the Andes north of Medellín, is one of several communities in Colombia that host a large kindred with a genetic form of early-onset Alzheimer's disease
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A foothill yellow-legged frog perches on a rock.
Photo Credit
Brome McCreary
Foothill yellow-legged frogs live in the flowing water of rivers and streams, so are especially vulnerable when these shrink to isolated pools.