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Articles on Photosynthesis

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Native wildflowers, such as these Dutchman’s breeches (Dicentra cucullaria) that bloom early in spring are losing access to sunlight as trees leaf out earlier. Katja Schulz/Flickr

Climate change threatens spring wildflowers by speeding up the time when trees leaf out above them

Many beloved wildflowers bloom in early spring, while trees are still bare and the flowers have access to sunlight. Climate change is throwing trees and wildflowers out of sync.
Science shows that humans are happier and healthier around other animal and plant species. Artur Debat/Moment via Getty Images

Do humans really need other species?

People wouldn’t last long without the countless other species we depend on for survival.
Changes in vegetation and temperature affect wildlife and humans, as well as the climate. Lisa Hupp/USFWS

Arctic greening won’t save the climate – here’s why

The growing season on the tundra is starting earlier as the planet warms, but the plants aren’t sequestering more carbon, a new study finds.
Allium schoenoprasum, better known as chives. Andreas Rockstein/Flickr

Why do plants grow straight?

Plants need light to feed themselves, so they grow in ways that help them collect as much of it as they can. Sometimes that’s straight up, but not always.

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