Search results for sequoia trees

Ecology Apr 16, 2024

From tape measures to space lasers: Quantifying biomass of the world's tallest forests

In this era of accelerating climate crisis, accounting for all aspects of Earth's carbon cycle is a crucial task. The magnitude of atmospheric carbon burden means trees and forests are limited but important instruments among ...

Astronomy Mar 21, 2024

Gaia unravels the ancient threads of the Milky Way

ESA's Gaia space telescope has further disentangled the history of our galaxy, discovering two surprising streams of stars that formed and wove together more than 12 billion years ago.

Plants & Animals Mar 12, 2024

Giant sequoias are a rapidly growing feature of the UK landscape

Imported giant sequoia trees are well adapted to the UK, growing at rates close to their native ranges and capturing large amounts of carbon during their long lives, finds a new study led by UCL researchers with colleagues ...

Ecology Mar 11, 2024

Four most polluted national park sites are in California

A couple years ago, as part of the Sierra Club's Outdoors for All campaign, Roberto Morales took a group of low-income Los Angeles area residents north to Sequoia National Park to help with a forest restoration project.

Ecology Dec 28, 2023

As tree species face decline, 'assisted migration' gains popularity in Pacific Northwest

As native trees in the Pacific Northwest die off due to climate changes, the U.S. Forest Service, Portland, Oregon and citizen groups around Puget Sound are turning to a deceptively simple climate adaptation strategy called ...

Ecology Dec 14, 2023

Scientists sequence genome for threatened whitebark pine

Researchers have sequenced the whitebark pine genome, presenting new opportunities to help the threatened, high-altitude tree endure environmental challenges.

Environment Dec 5, 2023

After a mild fire year, Southern California crews look ahead to 2024

On a cool, cloudy morning one day last week, Albert Rivas approached a pile of dry wood in the Angeles National Forest and set it on fire.

Plants & Animals Nov 29, 2023

The National Park Service wants to plant sequoias: Environmentalists sue, say there's no need to interfere

High-intensity fires in 2020 and 2021 devastated the adult sequoia tree population globally, particularly at Sequoia and Kings Canyon National Parks in Northern California.

Plants & Animals Nov 3, 2023

Climate change is turning swaths of California's mountains into 'zombie forests'

There's something eerie about this forest in the southern Sierra Nevada. Tangles of bony branches obscure the ground. Dead trees stand gray and bristly. An aura of doom hangs over the green conifers that remain.

Plants & Animals Nov 1, 2023

A planned fire threatened lives of two California sequoias; now they are sprouting new life

A pair of giant sequoias were damaged in a prescribed burn last fall at Calaveras Big Trees State Parkā€”and when they were discovered months later, it was unknown whether one of them would survive.

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