Oil and Global Warming

• The biggest overall contributor to global warming is power generation that accounts for almost a quarter of the contribution to manmade global warming. The biggest single contributor is deforestation which accounts for a little under a fifth of the manmade contribution to global warming. The other major contributors are transportation in all forms - fuel for cars, planes, ships, trains etc, this is mainly carbon dioxide. The agriculture industry is another major contributor and the single biggest contributor of both methane and nitrous oxide gases.