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Transportationís Role in Climate Change

 Daniel Sperling
  22nd-May-2009
Description: There will be an estimated 2 billion cars globally in 2020. In next 10 years, the world will consume 1/4 of all oil consumed through its entire history. People need to dramatically reduce CO2 emissions to stabilize the climate. Some scientists now say 350 ppm is necessary to avoid catastrophic climate change. Direct share* transport Greenhouse gas CeOm2i emissions rose more rapidly in transportation than any other sector Ė up 120% between 1970 and 2004.
Views: 2817
Domain: Energy
Category: Transportation
Contents:
Two Billion Cars: Is it Sustainable?
Daniel Sperling
University of California, Davis
April 13, 2009

2 Billion Vehicles in 2020 (globally)!
3.0 Number of Motor Vehicles (Billions) 2.5

2.0

1.5

Cycles & Scooters Trucks & Buses Cars

1.0

0.5

0.0
50 60 70 80 90 00 10 20 19 19 19 19 19 20 20 20 20 30

Source: Sperling and Gordon (2009), based on DOE, JAMA, other projections

In next 10 years, wo ... See more
Daniel Sperling
05 October, 2009