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.