Climate Statement

Research in UCLA's Department of Atmospheric and Oceanic Sciences has supported the overwhelming scientific consensus that the Earth’s climate is changing and that habitability is declining by many measures; that much of this climate change and habitat degradation is due to human activities such as land use change and the emission of absorbing aerosols and greenhouse gases; and that climate change produces a variety of mostly harmful impacts on society and the biosphere. For further information on these issues, see statements by the American Geophysical Union, the American Meteorological Society, and a joint statement by the National Academies of Sciences of 13 large countries.