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This corresponds to more than 20% likelihood of extinction over the next 10–100 years under the IUCN criteria. [58] [15] The 2022 IPCC Sixth Assessment Report estimates that while at 2 °C (3.6 °F) of global warming, fewer than 3% of flowering plants would be at a very high risk of extinction, this increases to 10% at 3.2 °C (5.8 °F). [15]
A 2018 study published in Science found that global orca populations are poised to dramatically decline due such toxic pollution. [162] [163] In the Pacific Northwest, wild salmon stocks, a main resident food source, have declined dramatically in recent years. [3]
When estimating the effect of climate change on species' extinction risk, the report concluded that global warming of 2 °C (3.6 °F) over the preindustrial levels would threaten an estimated 5% of the Earth's species with extinction even in the absence of any other factors like land use change. If the warming reached 4.3 °C (7.7 °F), they ...
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Females do not mature until they are 10 to 13 years old, and gestation is approximately 15 months. [10] With the female maintaining care for her calf until it is two years old, orcas are only able to produce a calf once every 39 months, and thus cannot recover quickly from population decline. Inbreeding also has a negative effect on the population.
Scientists witnessed one of the hunters, a male orca known as Starboard, single-handedly kill a 2.5-meter (8.2-foot) juvenile white shark within a two-minute time frame last year.
The following day (10 May), Jason Samenow wrote in The Washington Post that the spiral graph was "the most compelling global warming visualization ever made", [27] and, likewise, former Climate Central senior science writer Andrew Freedman wrote in Mashable that it was "the most compelling climate change visualization we’ve ever seen". [28]
An endangered orca vanished from a dwindling whale pod off the Washington coast, a conservation group said. The missing Southern Resident killer whale, K-26, was not seen by researchers during an ...