The EU chief concedes that that getting all 27 member countries — some of them highly dependent on Russia for energy supplies — to agree on oil sanctions will be extremely difficult.
From cutting highway speed limits to launching car-free Sundays in big cities, the International Energy Agency proposes to cut the demand for oil by as much as 2.7 million barrels per day.
Guyana, one of South America's poorest countries, is under severe threat by rising seas. That had made it a champion of climate action, but it all changed when ExxonMobil found oil off its waters.