Sentences with phrase «played by carbon dioxide»

In order to understand the role played by carbon dioxide emissions in global warming, it is necessary to account for the effects of atmospheric aerosols.

Not exact matches

But the Southern Ocean plays a more benign role in the global carbon budget: Its waters now take up about 50 % of the atmospheric carbon dioxide emitted by human activities, thanks in large part to the so - called «biological pump.»
In addition, O3 is a greenhouse gas, helping to trap heat and warm the earth, and new research shows that it plays an even larger role in global warming by destroying plants» ability to use extra carbon dioxide.
The increase in carbon dioxide levels recorded so far has played the most important role in pushing average global temperatures up by 1 °C (1.8 °F) during the last 200 years.
These are the implications of a new study, which found that the world's forests play an unexpectedly large role in climate change, vacuuming up the greenhouse gas carbon dioxide (CO2) and storing the carbon in wood, according to research published online Thursday by the journal Science.
While El Niño played a role in bumping up global temperatures during 2015 and 2016, the bulk of the warmth was due to the excess heat trapped by greenhouse gases emitted by humans over the past century, particularly carbon dioxide.
Laboratory experiments also demonstrate that atomic addition reactions — similar to those assumed to occur in interstellar clouds — play a role in synthesizing complex molecules by subjecting ices containing simpler molecules such as water, carbon dioxide, and methanol to ionizing radiation dosages.
Our lungs play a key role in regulating our pH, by regulating disposal of carbon dioxide.
Energy efficiency plays a unique role as building block # 4 in the US Environmental Protection Agency's (EPA's) proposed Clean Power Plan, which sets carbon dioxide (CO2) emissions rate targets for existing power plants by state.
The President - elect told The New York Times in an interview after the election, «I think there is some connectivity,» when asked about the role that carbon dioxide produced by humans plays in climate change.
By now you may have seen our new ad, «Air Up Here,» highlighting the role natural gas has played in helping to lower U.S. carbon dioxide emissions to their lowest levels in nearly 25 years.
While carbon dioxide is by far the dominant cause of the rise in global average temperatures, methane also plays a significant role because it absorbs more energ... More >>
In this portion of the discussion, Professor Wunsch begins by explaining how the ocean's surface temperature plays a role in the exchange of carbon dioxide.
The fertilization of trees and plankton by CO2 and other chemicals plays a role, and so does the slow interaction of carbon dioxide and calcium carbonate.
While a shift in electric generation to natural gas from coal has played a significant role in recent reductions in U.S. carbon dioxide (CO2) emissions, more will need to be done for the U.S. to meet its goal of reducing GHG emissions by 17 percent below 2005 levels by 2020.
That footage is some of the most compelling action in Sharkwater, Stewart's 2006 acclaimed documentary, which explains how the ocean's apex predator has driven the evolution of marine species for over 400 million years and plays a pivotal role in climate stabilization (by feeding on species that eat plankton, which transform carbon dioxide into oxygen).
The oceans play a central role in the global carbon cycle, absorbing more than a quarter of the carbon dioxide (CO2) that humans put into the air («anthropogenic carbon»), primarily by fossil fuel burning.
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