Obama says nations must be more aggressive to avert climate disaster

Former US President Barack Obama delivers a speech while attending day nine of the COP26 at SECC on Nov. 8, 2021 in Glasgow, Scotland. (Christopher Furlong/Getty Images/TNS)

Former U.S. President Barack Obama implored nations to move aggressively against climate change, warning that the world is falling dangerously short of what’s needed to tame rising temperatures and prevent disaster.