The Boston Marathon takes place every year on the third Monday in April. The average daytime high temperature in April has been warming rapidly in recent decades, making uncomfortable race days more likely.
News & Features
Neutral conditions are expected to continue in the Pacific with chances increasing for El Nino by the fall. Our blogger fills you in on the latest developments across the Pacific.
In Africa, famine has been declared in parts of South Sudan while other areas in Somalia and Nigeria are highly food insecure. But the reasons go beyond climate factors.
On the heels of 2016's devastating mass bleaching event at Australia's Great Barrier Reef, tourists and park managers are reporting thermal stress and mass bleaching again in early 2017.
The area of the Arctic Ocean experiencing acidification due to excess carbon dioxide is growing rapidly. Communities dependent on shellfish and other marine resources could be at risk.
Following years of exceptional drought, California's southeastern deserts were awash in a superbloom of short-lived but spectacular wildflowers in March 2017.
Compared to their smooth appearance at other times of year, the lines tracking Arctic and Antarctic sea ice extent become wiggly. Why is that?
Despite being at opposite points of the annual cycle, the Arctic and Antarctic had something in common in March 2017: record-low sea ice extents.
Hot and dry conditions across the Southern Plains proved perfect for the spread of large wildfires across the prairie in March.
Now that the 2016-2017 winter is over with, it's time to look back and see what happened. Did our winter outlook do well?