as warming gets worse, some plants and animals may become _
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In the Rocky Mountains, climate change has raised summer temperatures 0.72˚ F each decade over the last 30 years, while snows are melting three to five days earlier in spring. Wildflowers bloom several days earlier, with peak flowering also occurring earlier. No one knows what this might eventually mean for pollinators. In Australia, warmer winters are forcing mountain pygmy possums out of hibernation earlier than their prey, the bogong moth, so many are starving to death. In Europe, roe deer, whose fertility is triggered by the length of days, are giving birth after the first flowers, which are blooming earlier than in the past. The mismatch of 36 days between birthing times and food availability is resulting in a decline in the deer population’s fitness.
According to one study, spring, summer, fall and winter in the temperate zones are all arriving on average 1.7 days earlier than they did before 1950. The U.S. Environmental Protection Agency reports that average temperatures in the U.S. have increased 0.14˚F per decade, and worldwide, the decade from 2001 to 2010 was the warmest on record since measurements began. The changing climate with its more extreme weather is already affecting many plant and animal species and disrupting ecosystem functioning.
The Intergovernmental Panel on Climate Change estimates that 20 to 30 percent of assessed plants and animals could be at risk of extinction if average global temperatures reach the projected levels by 2100. Evolution would have to occur 10,000 times faster than it typically does in order for most species to adapt and avoid extinction.
A 2011 study found that in response to warming temperatures, species are moving to higher elevations at an average rate of 36 feet per decade and to higher latitudes approximately 10 miles per decade, though individual species vary in their rates.
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Whatever we call it, global warming is impacting every living being on planet earth including plants and animals, in addition to ice caps melting, increasing sea levels and the extinction of plant and animal species. ... This is especially true for migratory wildlife and plants including mangroves, seagrass and coral.
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