Monday's release is the second portion of the IPCC's sixth assessment. Under 4 degrees of warming, half of our plant and animal species could be threatened. Under 2 degrees of warming, up to 18% of all land species will be at high risk of going extinct by 2100.Under a high-warming scenario, up to 183 million additional people in low-income countries could become undernourished due to climate change. Eight million to 80 million people will suffer from hunger by 2050.That figure could climb to 4 billion people if global temperatures rise 4 degrees. Under 2 degrees of global warming, between 800 million and 3 billion people could experience chronic water scarcity due to droughts.The percentage of people exposed to deadly heat stress (i.e., heat stroke) could increase from 30% today to 76% by the end of the century.Under 1.5 degrees of global warming, children ages 10 and younger as of 2020 could experience a nearly four-fold increase in extreme weather events by 2100.By 2050, more than 1 billion people in low-lying coastal cities and small islands will be at risk of climate hazards from sea-level rise.Here are some of the report's main takeaways: It often indicates a user profile.Ī woman cools off with fans and mist during a heat wave at the Australian Open tennis tournament in Melbourne on January 15, 2014. Account icon An icon in the shape of a person's head and shoulders.
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