Sentences with phrase «emissions declined again»

Not exact matches

That said, whereas CO2 emissions from coal - fired power plants in the U.S. have declined, greenhouse gas emissions from oil sands have doubled since the turn of the century and look set to double again by the end of this decade — the primary source of emissions growth for the entire country of Canada.

Until the 2000s, when emissions started to rise again, sulfur dioxide emissions had generally declined since the 1970's because of emission controls spurred by national regulation and international agreements.

The two targets suggest that Russia's emissions will continue to rise after 2020, peak at some stage, and then decline until they hit 2020 levels once again.

In the opposite transition to rapid warming in 1975, once again I am struck by the fact that while aerosol emissions ceased to rise, they did not disappear entirely from the atmosphere, but began a gradual decline from a high peak.

Again, black crosses indicate emission pathways in which the maximum rate of emissions decline is less than 4 % yr − 1; grey diamonds indicate the converse.

CO2 emissions in Minnesota declined by 6.6 percent from 2005 (the peak year for CO2 emissions in both the U.S. and Minnesota) to 2014 (before starting to rise again).

Global CO2 emissions growth briefly faltered in the early 1980s, in 1992 and again in 2009, but in each case this was due to a decline in economic activity.

U.S. carbon emissions are on the rise again, after a multi-year decline.

Needless to say, the use of demographic projections with overestimated fertility declines again produces underestimated projections of future resource use and emissions.

Once again: how does a certain amount of sea level decline after a period of global cooling (assuming Hay's sources are more accurate than Rahmstorf's) constitute evidence that CO2 emissions are the cause of rising sea levels?