Extreme weather has been grabbing headlines this summer. A major heat wave in Russia and flooding in Pakistan have had devastating effects, including loss of life and livelihood. Russians are plagued with wildfires and smog and the UN estimates that 6 million Pakistanis are in need of emergency aid.
Need to Know’s Alison Stewart speaks with Dr. Kevin Trenberth, the head of climate analysis at the National Center for Atmospheric Research in Boulder, Colorado. He explains the meteorological dynamics at work and speaks of the larger implications of climate change — both problems and possibilities.
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