The Antarctic ozone hole, which yawns wide every Southern Hemisphere spring, reached its annual peak on September 12, stretching 10.05 million square miles, the ninth largest on record and equivalent to three times the area of Brazil: 3.3m.
A number of penguin species found in western Antarctica are declining as a result of a fall in the availability of krill, a study has suggested. Researchers, examining 30 years of data, said chinstrap and Adelie penguin numbers had been falling since 1986.
United States officials have announced a ban on fishing for at least ten days in waters off Louisiana spanning to parts of the Florida panhandle as the oil slick from a leak spreads across the Gulf of Mexico. Rough weather conditions are complicating crews’ efforts to contain the oil slick.