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Christina Larson, Associated Press

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Christina’s Recent Stories

Science Jan 17

Scientists consider moving species as a last resort amid climate change

The once-controversial idea of relocating an imperiled species to another island, country or continent for conservation is gaining increasing acceptance among scientists as a measure of last resort.

Science Dec 22

Scientists discover the secret power that makes glass frogs transparent

Using light and ultrasound imaging technology, researchers have discovered how some frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance.

Science Dec 20

UN biodiversity pact is historic, but past deals have fallen short

A day after a historic biodiversity agreement was reached, countries now face pressure to deliver on the promises.

Science Jul 21

Monarch butterflies now classified as endangered

The International Union for the Conservation of Nature estimates that monarch butterfly populations have declined between 22% and 72% over a decade.

Science Apr 27

Over 20 percent of reptiles worldwide face risk of extinction

A comprehensive new assessment of thousands of reptiles species has found that 21 percent are considered endangered, critically endangered or vulnerable to extinction.

Science Mar 25

How did vampire bats get a taste for blood? Scientists have drawn the answer

Scientists have figured out why vampire bats are the only mammals that can survive on a diet of just blood.

World Sep 22

China, U.S. unveil separate big steps to fight climate change

The two nations are key to success of upcoming climate negotiations in less than six weeks. A joint US-China agreement paved the way for the historic 2015 Paris accord.

Politics Apr 23

WATCH: Biden makes case for climate-friendly economic policies at leaders summit

Friday's second and final day of the summit also focused on what Biden says is the need for massive investment for cleaner energy — and what he says is the economic payoff.

Politics Apr 22

WATCH: Biden opens global summit with ambitious new U.S. climate pledge

Biden made an ambitious pledge to cut by at least one-half the damaging fumes that America is pumping out. Biden said the world faces “a moment of peril but a moment of opportunity.”…

Science Dec 14

Scientists focus on bats for clues to prevent next pandemic

Viruses that emerge from bats are more lethal in humans than those from other species. Scientists are probing the mysteries of bat immune systems and investigating strategies to minimize contact between humans and livestock with bats and other wild animals.

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