Sentences with phrase «effect of greenhouse gases until»

The orthodox explanation for that one is that the cooling effect of white aerosols such as sulphates — released from coal and oil burning — was masking the warming effect of greenhouse gases until various clean air acts allowed the anthropogenic warming trend to re-emerge.

Not exact matches

«It takes a long time to turn around the effects of greenhouse gases,» Scambos says, «so you don't want to wait until we're on the brink of having major changes in sea level before you address these problems.»
If you know there is some effect of carbon emissions (and CFCs, etc.) on climate, and are unclear how to reverse the effects later on, then the risk - averse thing to do is limit greenhouse gas emissions until more is known.
That means the full warming effect of the greenhouse gases we release into the atmosphere might not materialise until decades or centuries later.
Once the deal takes effect, industrialized countries will have until 2012 to cut their collective emissions of six key greenhouse gases to 5.2 percent below the 1990 level.
The second issue raised in our Science paper (now available free, see bottom of this post) is that perhaps there shouldn't yet have been substantial long - term trends in hurricane intensity — whether we would be able detect them above the natural variability or not — because until the last couple of decades, aerosol cooling effects on hurricanes have been counteracting the effects of greenhouse gas warming.
The study estimates climate sensitivity — how much the world will warm when carbon dioxide levels increase * — from changes in observed temperatures and estimates of the warming effect of greenhouse gases and other drivers of climate change, from the mid / late 19th century until 2016.
Yesterday, we released our annual survey of the voluntary carbon markets, which takes stock of what individuals, corporations, and governments have been doing to offset their greenhouse - gas emissions until the Paris Agreement takes effect — which could happen as early as next year.
If the Maunder and Dalton minima actually did affect the climate, then a new one might counteract the effects of the extra greenhouse gases people are now pumping into the atmosphere — at least, until the solar cycle returns.
a b c d e f g h i j k l m n o p q r s t u v w x y z