Lorraine Remer is a leading researcher on tiny particles and liquids suspended in the air – called ‘aerosols’ – which profoundly affect Earth’s climate. Dr. Remer is a senior physical scientist in the Climate and Radiation Branch of the Laboratory for Atmospheres at NASA’s Goddard Space Flight Center, an associate member of the EOS-MODIS Science Team and a member of the Global Aerosol Climatology Project Science Team. She volunteers with the Girl Scouts to teach girls about Earth system science.