Marcia McNutt

Research and policy

The process of removing massive concentrations of greenhouse gas from the atmosphere and trapping it in oceans or underground.

The intentional large-scale manipulation of an environmental process that impacts the climate of the Earth to help offset global warming effects.

A technique designed to diminish the warming effect by making the planet more reflective to the rays of the sun, for example by putting sulfur dioxide in the atmosphere or sending mirrors into space.

United States