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Need To Know - Climate change and health, WV mine blast, cyberwarfare

Climate change and health, WV mine blast, cyberwarfare Climate change and health, WV mine blast, cyberwarfare
This week on Need to Know: The threats climate change poses to human health. The story of a deadly mine blast in West Virginia. A new super-weapon in the world of cyber-warfare. Jon Meacham considers the belief among some Christians that the world will end on May 21st. And Alison Stewart talks to...
http://video.pbs.org/widget/partnerplayer/1940278896/?player=WGBY-PBS&w=512&h=288&chapterbar=true&autoplay=false This week on Need to Know: The threats climate change poses to human health. The story of a deadly mine blast in West Virginia. A new super-weapon in the world of cyber-warfare. Jon Meacham considers the belief among some Christians that the world will end on May 21st. And Alison Stewart talks to... /episodes/get/2214 /episode/2214 Need To Know: Climate change and health, WV mine blast, cyberwarfare /episode-player/2214
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