Sentences with phrase «primarily by carbon dioxide emissions»

The only way to do that is to reduce the output of so - called greenhouse gasses, caused primarily by carbon dioxide emissions from industry, automobiles and other human activities, Horton said.

Not exact matches

E85 today is primarily made with grain - based ethanol that reduces carbon dioxide emissions by as much as 29 percent compared with pure gasoline.

The enhanced Greenhouse Effect we are now measuring is a human fingerprint because the source of it is the continued emission of greenhouse gases, primarily carbon dioxide, produced by industrial activity.

This past week has brought some attention to a much earlier «let's pretend» — that global climate is influenced primarily by human - caused carbon dioxide emissions rather than changes in the sun, our source of heat and light.

You may wonder why the government finds the need to pursue such action since 1) U.S. carbon dioxide emissions have already topped out and have generally been on the decline for the past 7 - 8 years or so (from technological advances in natural gas extraction and a slow economy more so than from already - enacted government regulations and subsidies); 2) greenhouse gases from the rest of the world (primarily driven by China) have been sky - rocketing over the same period, which lessens any impacts that our emissions reduction have); and 3) even in their totality, U.S. carbon dioxide emissions have a negligible influence on local / regional / global climate change (even a immediate and permanent cessation of all our carbon dioxide emissions would likely result in a mitigation of global temperature rise of less than one - quarter of a degree C by the end of the century).

A carbon footprint means the carbon dioxide (CO2) emissions generated by someone's lifestyle, primarily through the burning of fossil fuels.