Cambridge University economist Dr. Terry Barker told delegates at the recent Copenhagen climate conference that if the current economic downturn persists for several years, carbon dioxide (CO2) emissions worldwide could drop by 40% to 50%, the Irish Times reports.
Dr. Barker, who is director of the Cambridge Center for Climate Research, said the Great Depression of the 1930s reduced global emissions by 35% because so many factories shut down, especially in the United States. He adds:…