The world experienced its second-hottest May on record, with Europe baking under an unusually early heatwave as climate extremes become the "new normal" on the continent, the EU's climate monitor said on June 10.

The average global temperature last month was 1.42 degrees Celsius above the average in 19th-century pre-industrial times

Records were broken in Britain, France, Ireland and Portugal last month as a "heat dome" of warm air from northern Africa pushed temperatures well above normal levels across…