Christina Larson

2 scientists, including former CU Boulder researcher, win Nobel chemistry prize for gene-editing tool

October 7, 2020 at 1:23 p.m.

Two scientists won the Nobel Prize in chemistry Wednesday for developing 鈥渕olecular scissors鈥� to edit genes, offering the promise of one day curing inherited diseases.

World isn鈥檛 meeting biodiversity goals, UN report finds

September 15, 2020 at 7:34 a.m.

A decade-long global effort to save Earth's disappearing species and declining ecosystems has mostly stumbled, with fragile habitats like coral reefs and tropical forests in more trouble than ever, researchers...

Here come COVID-19 tracing apps 鈥� and privacy trade-offs

May 10, 2020 at 11:00 a.m.

As governments around the world consider how to monitor new coronavirus outbreaks while reopening their societies, many are starting to bet on smartphone apps to help stanch the pandemic.

This 2009 photo provided by Sebastian ...

Fires set stage for irreversible forest losses in Australia

January 20, 2020 at 1:00 a.m.

Australia鈥檚 forests are burning at a rate unmatched in modern times and scientists say the landscape is being permanently altered as a warming climate brings profound changes to the island...

As California thins forests to limit fire risk, some homeowners resist

December 13, 2019 at 10:28 a.m.

Buzzing chainsaws are interrupted by the frequent crash of breaking branches as crews fell towering trees and clear tangled brush in the densely forested Santa Cruz Mountains south of San...

China aims to build its own Yellowstone on Tibetan plateau

November 12, 2019 at 6:00 a.m.

There's a building boom on the Tibetan plateau, one of the world's last remote places. Mountains long crowned by garlands of fluttering prayer flags are newly topped with sprawling steel...

How do you save endangered gorillas? With lots of human help

October 29, 2019 at 6:00 a.m.

Deep in the rainforest of Volcanoes National Park, a 23-year-old female gorilla named Kurudi feeds on a stand of wild celery. She bends the green stalks and, with long careful...

In this Sunday July 7, 2019 photo, a young lion climbs down a tree in Tanzania's Tarangire National Park. Within the boundaries of Tanzania鈥檚 Tarangire National Park, lions sleep on open river banks and dangle from tree branches _ they are, after all, cats _ often ignoring the squadrons of open-top safari tour vehicles passing by. Here, they are mostly safe. But the protected area of the park is only a portion of the land that these lions and their prey depend upon. Large migratory animals range widely, and on the parched savannahs of eastern Africa, they mostly follow the rains.

Lions kill cattle, so people kill lions. Can the cycle end?

October 8, 2019 at 6:00 a.m.

Saitoti Petro, a tall, slender 29-year-old, is marching with four other young men who belong to a pastoralist people called the Maasai. Beneath the folds of his thick cloak, he...

A reforestation assistant measures a newly-planted ...

Restoring forests 1 tree at a time, to help repair climate

October 1, 2019 at 8:05 a.m.

Destruction of the forests can be swift. Regrowth is much, much slower.

Where have the wild birds gone? 3 billion fewer than 1970

September 20, 2019 at 6:00 a.m.

North America's skies are lonelier and quieter as nearly 3 billion fewer wild birds soar in the air than in 1970, a comprehensive study shows.

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