Southeast Asia is among the most vulnerable regions grappling with growing risks from heatwaves and high humidity, while the period of extreme weather has more than doubled globally over the past five decades. The duration of extreme weather has increased worldwide to an average of 23 days per year from 10 in the 1970s, according to a report by non-profit news organisation Climate Central. Parts of Southeast Asia, South America and coastal West Africa are among the regions that now experience at...