A much-discussed idea to offset global warming by injecting sulfate particles into the stratosphere would have a drastic impact on Earth's protective ozone layer.

The shrinking expanse of Arctic sea ice is increasingly vulnerable to summer sunshine, new research concludes.

Commercial operators, governments, and academic researchers worldwide are engaging in cloud seeding and other weather modification projects to try to influence local conditions.

The National Hurricane Center will implement a new technique this summer, developed by researchers at NCAR and the Naval Research Laboratory (NRL), to continually monitor landfalling storms in the United States.