In recent years, spring snow has vanished even more quickly than computer models and climate scientists had expected, posing a research challenge and a potentially serious risk for water supplies.

The Climate Data Initiative announced by President Obama will enable new industries to use climate data to enhance long-range decisions and planning.

Why seasonal forecasting can’t tell us with certainty what to expect this summer—and why we might soon have a stronger sense of what late 2014 and early 2015 are likely to bring to large parts of the globe.

Increased Pacific winds are sending excess heat into the deep ocean and likely playing a role in the current hiatus in global warming.

How does the U.S. winter of 2013–14 rank against its predecessors? And was it a harbinger of more cold winters to come for parts of the country, or simply an outlier at a time of largely warming winters?