Fire, other ravages jeopardize California's prized forests
On a mountainside where walls of flames torched the forest on their way toward Lake Tahoe in 2021, blackened trees stand against a gray sky.
On a mountainside where walls of flames torched the forest on their way toward Lake Tahoe in 2021, blackened trees stand against a gray sky.
Environment
Oct 26, 2023
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When an asteroid hit the Earth 66 million years ago, it set off a devastating mass extinction. The dinosaurs (except for a few birds) all died out, along with lots of the mammals. But some small mammals survived, laying the ...
Evolution
Oct 5, 2023
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204
Small farms with natural landscape features such as shade trees, hedgerows and tracts of intact forest provide a refuge for some tropical bird populations, according to an 18-year study in Costa Rica.
Ecology
Sep 10, 2023
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The U.S. government is investing over US$7 billion in the coming years to try to manage the nation's escalating wildfire crisis. That includes a commitment to treat at least 60 million acres in the next 10 years by expanding ...
Earth Sciences
Sep 9, 2023
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Humans split away from our closest animal relatives, chimpanzees, and formed our own branch on the evolutionary tree about seven million years ago. In the time since—brief, from an evolutionary perspective—our ancestors ...
Evolution
Jun 20, 2023
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Global warming is here. As anticipated for more than 50 years now, the temperature and levels of atmospheric CO2 have increased.
Ecology
Jun 12, 2023
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Plants existed on Earth for hundreds of millions of years before the first flowers bloomed. But when flowering plants did evolve, more than 140 million years ago, they were a huge evolutionary success.
Evolution
Jun 6, 2023
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More than half of all people on Earth live in cities, and that share could reach 70% by 2050. But except for public parks, there aren't many models for nature conservation that focus on caring for nature in urban areas.
Ecology
Apr 4, 2023
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Many tropical forests are experiencing increases in lightning and lianas, thanks in part to global change. This one-two punch is likely causing an increase in the death of small trees, which could lead to shifts in composition ...
Plants & Animals
Mar 27, 2023
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The success of North American crops from corn to Christmas trees partly depends on a relatively invisible component of the food web—ground beetles. Nearly 2,000 species of ground beetle live in North America. New research ...
Plants & Animals
Mar 23, 2023
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