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Climate change has raised the temperature of the Earth by about 1.1 °C (2.0 °F) since the Industrial Revolution.As the extent of future greenhouse gas emissions and mitigation actions determines the climate change scenario taken, warming may increase from present levels by less than 0.4 °C (0.72 °F) with rapid and comprehensive mitigation (the 1.5 °C (2.7 °F) Paris Agreement goal) to ...
It has also been known by many other names, such as Altithermal, Climatic Optimum, Holocene Megathermal, Holocene Optimum, Holocene Thermal Maximum, Holocene global thermal maximum, Hypsithermal, and Mid-Holocene Warm Period. The warm period was followed by a gradual decline, of about 0.1 to 0.3 °C per millennium, until about two centuries ago.
A review of estimates from 82 studies, which have collectively projected the distribution of over 400,000 species, was published in 2024. The results suggested that between 13.9% and 27.6% of all species would be likely to go extinct by 2070 under the "moderate" emission scenario RCP4.5 and between 22.7 and 31.6% under the high-emission RCP8.5 ...
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The distinctive northern bald ibis, hunted essentially to extinction by the 17th century, was revived by breeding and rewilding efforts over the last two decades. “We have to teach them the ...
A thermal optimum is either a portion of a specified geological time span in which the average temperature was above that of the average temperature for the entire specified time or the optimum range within which a biological process may take place or the ambient optimal range for a species' niche.
The ‘akikiki, a small, gray bird native to Hawaii, could go extinct within months. Mosquitoes are driving these birds to extinction. With only 5 left in the wild, scientists are racing to save ...
About 216 species of birds have become extinct since 1500, [1] with increasing extinction rates due to human-caused influences such as habitat loss, the introduction of invasive species, and climate change. [2] [3] Currently there are approximately 10,000 living species of birds, with over 1,480 at risk of extinction and 223 critically ...