QUEST Documentaries

Perilous Diesel/ The Reverse Evolution Machine (1x17)

Ημερομηνία προβολής: Σεπ 04, 2007

Learn more about California's new efforts to reduce pollution from diesel soot from aging ships, trucks and buses, a health threat whose most serious impacts are on low-income areas. And find out how scientists are flipping evolution on its head by studying the DNA of living animals to discover more about the earliest mammals. Plus, San Francisco maps its urban forest online.