The U.S. vehicle fleet hit a record for fuel efficiency in 2018 averaging 25.1 miles per gallon in real-world driving as it rose 0.2 mpg, the Environmental Protection Agency said.
Krill are shifting south towards Antarctica as the oceans warm, disrupting stocks that are eaten by penguins and whales and caught by industrial trawlers, scientists said on Monday.
A Green Climate Fund meant to channel billions of dollars to poor nations said it had had a "very difficult and disappointing" meeting ending on Wednesday, in a new setback after U.S. President Donald Trump pulled out U.S. support last year.
South Africa's Cape Town, one of the world's iconic tourist destinations, could run out of water by April as the city's worst drought in a century risks forcing residents to join queues for emergency rations.
