Sentences with phrase «lower global carbon dioxide levels»

Not exact matches

The researchers found climate models that show a low global temperature response to carbon dioxide do not include enough of this lower - level water vapour process.

Concentration of carbon dioxide during an intense period of global warmth may have been as low as half the level previously suggested by scientists, according to a new Dartmouth College study.

Although NAAQS regulation of lead was both technologically and economically feasible, not even a global depression lasting several decades would suffice to lower atmospheric carbon dioxide concentrations below current levels.

Energy - related emissions of carbon dioxide, the greenhouse gas that is widely believed to contribute to global warming, have fallen 12 % between 2005 and 2012 and are at their lowest level since 1994, according to a recent estimate by the Energy Information Administration, the statistical arm of the U.S. Energy Department.

«global emissions of carbon dioxide have to be reduced to very low levels, well below half of levels in 2000, in order to stabilize their concentrations in the atmosphere» Decision FCCC / KP / AWG / 2006 / L.4

The IEA estimates that carbon dioxide emissions could be reduced to a level that would limit long ‐ term global temperature increases to 2 °C through broad deployment of low ‐ carbon energy technologies, including CCS.