An illustration of an extinct rat kangaroo, published in 1825. Researchers recently analyzed the costs and benefits of re-establishing and maintaining 16 species in Australia and New Zealand that went extinct in the last millennium.Credit...Florilegius, via Getty Images With enough determination, money and smarts, scientists just might revive the woolly mammoth, or some version of it, by splicing
Scientists Warn of Perilous Climate Shift Within Decades, Not Centuries A massive boulder on a coastal ridge in North Eleuthera, the Bahamas. A new research paper claims it was most likely moved there by powerful storms during the last warm period of Earth history, 120,000 years ago, and warns that such stormy conditions could recur because of human emissions of greenhouse gases.Credit...Charles O
Environmentalists disagree over whether outdated oil rigs off the coast of Long Beach, Calif., can become an addition to the marine ecosystem. EUREKA OIL PLATFORM OFF CALIFORNIA COAST — Eight miles off the coast of Long Beach, Calif., the oil rig Eureka, which has stood here for 40 years, is a study in contrasts. From a distance, it looks like just another offshore platform, an artifact of the mod
For more than a century, scientists have understood the basic physics behind why greenhouse gases like carbon dioxide cause warming. These gases make up just a small fraction of the atmosphere but exert outsized control on Earth’s climate by trapping some of the planet’s heat before it escapes into space. This greenhouse effect is important: It’s why a planet so far from the sun has liquid water a
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