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Columbia Ini-a-ve on Extreme Weather and Climate •  How can we quantify and respond to the risk of
extreme events in our present and future climate?
2 “Extreme weather and climate” means: 1. Extreme weather events and their rela-on to climate. Allen et al. (2015), Nature Geoscience “Extreme weather and climate” means: 2. Extreme climate events (also related to s-ll longer-‐term climate) Lake Mead (credit: USGS) For some purposes (esp. shorter term), climate change isn’t necessarily the main issue. hQp://sedac.ciesin.columbia.edu/data/collec-on/ndh/maps/gallery/search For some purposes (esp. shorter term), climate change isn’t necessarily the main issue. But from the broadest perspec-ve, it is. IPCC AR5 (2013) Was extreme weather event X related to climate change? Na-onal Geographic, Jan. 26, 2015 Reuters, Jan. 29, 2015 Climate Progress, Jan. 26, 2015 Was extreme weather event X related to climate change? Na-onal Geographic, Jan. 26, 2015 Reuters, Jan. 29, 2015 Climate Progress, Jan. 26, 2015 It’s our job as scien-sts to try to answer this… but it’s not the most fundamental ques-on. Risk = f (hazard, exposure, vulnerability) San-ago de Cuba post-‐Sandy (2012) Desmond Boylan/Reuters Response = f (hazard, exposure, vulnerability, economics, poli-cs, law, psychology…) Banner from web.law.columbia.edu/climate-‐change The goals today are: to promote discussion to facilitate collabora-ve research extremeweather.columbia.edu @cuextremewx -‐ #cuextremeworkshop (today) Sponsors: Oﬃce of Exec. VP for Research Earth Ins-tute Lamont-‐Doherty Earth Observatory Par+cipants: extremeweather.columbia.edu @cuextremewx -‐ #cuextremeworkshop (today) Sponsors: Oﬃce of Exec. VP for Research Earth Ins-tute Lamont-‐Doherty Earth Observatory Thanks for graphics! & Jesse Keenan’s talk Par+cipants: Format •  Session chairs: Michael TippeQ/Michela Biasul (AM); Suzana Camargo/Adam Sobel (PM) •  20 minutes/speaker •  Chairs will alert speaker at 15 minute mark, stand up at 18 •  Substan-ve Q&A, discussion at end of AM & PM