Greenhouse gases - including carbon dioxide, which is emitted by the combustion of fossil fuels, like coal and oil - are believed by most scientists to be responsible for the accelerating warming of the Earth's atmosphere over the last century.
(carbon dioxide; is emitted; by the combustion of fossil fuels) (Greenhouse gases - including carbon dioxide, which is emitted by the combustion of fossil fuels, like coal and oil; are believed; by most scientists) (Greenhouse gases - including carbon dioxide, which is emitted by the combustion of fossil fuels, like coal and oil; to be; responsible for the accelerating warming of the Earth's atmosphere over the last century)
carbon dioxide Greenhouse gases - including carbon dioxide, which is emitted by the combustion of fossil fuels, like coal and oil Greenhouse gases - including carbon dioxide, which is emitted by the combustion of fossil fuels, like coal and oil
is emitted are believed to be
by the combustion of fossil fuels
by most scientists
responsible for the accelerating warming of the Earth's atmosphere over the last century