In our news wrap Wednesday, the United Nations is warning the warming globe could mean more natural disasters and extreme weather. A new report says the world is now nearly 2 degrees warmer than during pre-industrial times; the targeted ceiling set by the Paris Accord is 2.7 degrees. Also, Francis Collins of the National Institutes of Health insists a COVID-19 vaccine won't compromise safety. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders