Environmental Science
102W
Air quality trends, Biogenic emissions
National Air Quality and Emission Trends Report
Describe the emission trends for the covered pollutants during the years 1970-2002.
Describe the trend in Gross Domestic Product and the trend in overall emissions, 1970-2002.
Of the six pollutants tracked, which pollutant has had the least improvement in ambient concentrations?
Which pollutant had the greatest drop in emissions for the period 1970-2002? Why?
During what season do biogenic hydrocarbons play a major role in ozone formation in the eastern U.S.?
What part of the country has the largest biogenic VOC emissions?
What kind of tree is the largest source of isoprene in the southern U.S.?