NCAR's Atmospheric and Chemistry Division (ACD) hosted a workshop for the Global Tropospheric Chemistry Program (GTCP). GTCP is a national program to investigate the causes and impacts of increasing concentrations of atmospheric gases that are changing the earth's climate. Sasha Madronich and Guy... Show moreNCAR's Atmospheric and Chemistry Division (ACD) hosted a workshop for the Global Tropospheric Chemistry Program (GTCP). GTCP is a national program to investigate the causes and impacts of increasing concentrations of atmospheric gases that are changing the earth's climate. Sasha Madronich and Guy Brasseur coordinated the workshop. Show less