TOPSHOT-SWITZERLAND-POLITICS-ECONOMY-DIPLOMACY-WEF-ENVIRONMENT-C Published on January 28, 2020 in How CEOs, Experts and Philosophers See the World’s Biggest Risks DifferentlyFull resolution (1259 × 638) Swedish climate activist Greta Thunberg attends a session at the Congress Center during the World Economic Forum (WEF) annual meeting in Davos, on January 21, 2020. Photo by Fabrice Coffrini / AFP via Getty Images