A terrifying map shows how several US cities could be underwater by 2050 if sea levels continue to rise at rates of 2mm and ...

Each alert provides links to science-based analyses and visualizations—including locality-specific, high-quality graphics—that can help explain events in the context of climate change.

"The most climate-stressed regions all contained permafrost, which is vulnerable to thaw as temperatures rise," researcher Sue Natali said.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.