The aerosols conundrum
Research shows that aerosols not only cool, but also heat the planet — a finding that may cloud the validity of climate-change models.
3 Questions: Noelle Selin on curbing mercury
As U.N. negotiations begin this week on a global mercury treaty, an MIT atmospheric scientist explains the challenges ahead.
3 Questions: John Marshall on the Gulf of Mexico oil spill
An MIT oceanographer discusses why ‘we have never had a spill like this’ — and what that means for cleanup efforts.
Explained: Climate sensitivity
If we double the Earth’s greenhouse gases, how much will the temperature change? That’s what this number tells you.
Weather in a Tank
A curriculum built around a rotating-tank experiment could improve weather and climate education