Sentences with phrase «dioxide in the atmosphere»

The tweets, which included one saying «Today, the amount of carbon dioxide in the atmosphere is higher than at any time in the last 650,000 years.
«Today, the amount of carbon dioxide in the atmosphere is higher than at any time in the last 650,000 years.
Is there a correlation, then, between levels of carbon dioxide in the atmosphere and atmospheric temperatures?
For example, who really notices that the amount of carbon dioxide in the atmosphere has increased by 25 per cent since the middle of the nineteenth century (as a result of the burning of fossil fuels, along with destruction of rainforests)?
Some of the carbon dioxide in the atmosphere is absorbed by water in oceans and rivers.
The destruction of forests causes an increase in carbon dioxide in the atmosphere due to the decomposition and burning of the forest and the fact that there are fewer trees to remove carbon dioxide from the air,
But the largest contribution to restoring the carbon balance will be a reduction in world population since every person who lives makes a contribution to the carbon dioxide in the atmosphere by his or her use of the products of industry or by burning wood for fuel.
We're committed to helping farmers adopt climate - smart agriculture practices, halt deforestation, and reduce the amount of carbon dioxide in the atmosphere.
For a tropical country like Ghana, the reduction of carbon dioxide in the atmosphere involves reducing deforestation, reforestation, and exploring affordable and sustainable alternatives to fuel wood.
Too much carbon dioxide in the atmosphere makes the planet heat up; too much dissolved in the ocean makes the water more acidic.
During the Eocene, the concentration of carbon dioxide in the atmosphere was more than 560 parts per million, at least twice preindustrial levels, and the epoch kicked off with a global average temperature more than 8 degrees Celsius — about 14 degrees Fahrenheit — warmer than today, gradually cooling over the next 22 million years.
As trees die and decompose, the concentrations of carbon dioxide in the atmosphere will increase, potentially speeding up climate change during tropical droughts.»
Rising anthropogenic, or human - caused, carbon dioxide in the atmosphere may have up to twice the impact on coastal estuaries as it does in the oceans because the human - caused CO2 lowers the ecosystem's ability to absorb natural fluctuations of the greenhouse gas, a new study suggests.
This is likely to add significantly to the amount of carbon dioxide in the atmosphere through decomposition of the dead trees.
To date, the global average concentration of carbon dioxide in the atmosphere has increased by nearly 27 percent between 1960 and 2015, with the expectation of a continued rise in years to come, according to the researchers.
THE industry most often accused of being responsible for the excess carbon dioxide in our atmosphere is, strange as it may seem, desperate to buy more of the stuff.
Taken together, the research data provides a picture, from the leaf scale to the global scale, suggesting that droughts in the Amazon basin are affecting levels of carbon dioxide in the atmosphere globally, both on a short - term basis though decreasing photosynthesis and on a longer term basis, by increasing tree mortality.
Ultimately, creating a safe environment for the world's reefs may require efforts to cut the level of carbon dioxide in the atmosphere to just 350 parts per million, well below the current level of 390 parts per million.
It also references May 9, 2013 — the day the daily mean contribution of carbon dioxide in the atmosphere surpassed a worrisome 400 parts per million for the first time since measurements began since 1958.
The carbon they produce when building their chalk plates even helps buffer the increasing acidity in the ocean caused by excess carbon dioxide in the atmosphere.
But deforestation increases the amount of carbon dioxide in the atmosphere as trees are burned or start to decompose.
As temperatures rise due to higher carbon dioxide in the atmosphere, silicate - weathering rates are hypothesized to increase and remove carbon dioxide from the atmosphere faster.
The data set Weiss used was unusual in that it monitored these myriad factors over the 35 - year period, allowing the researchers to conclude the increase in CO2 they saw in the reservoirs was indeed due to increased carbon dioxide in the atmosphere.
Curiously, the decline in atmospheric oxygen over the past 800,000 years was not accompanied by any significant increase in the average amount of carbon dioxide in the atmosphere, though carbon dioxide concentrations do vary over individual ice age cycles.
«That's going to end up as carbon dioxide in the atmosphere when you cut it down.»
Research published in Science found that increased levels of carbon dioxide in the atmosphere cause soil microbes to produce more carbon dioxide, accelerating climate change.
Research published in Science today found that increased levels of carbon dioxide in the atmosphere cause soil microbes to produce more carbon dioxide, accelerating climate change.
Garver said that Obama is giving NASA another shot at the Orbiting Carbon Observatory, an Earth - observing satellite designed to measure and track carbon dioxide in the atmosphere that failed to reach orbit in 2009.
«A higher concentration of carbon dioxide in our atmosphere would aid photosynthesis, which in turn contributes to increased plant growth,» Rep. Lamar Smith (R — Texas) wrote in an op - ed last year.
Then last year he claimed that, as a result of increased carbon dioxide in the atmosphere, «300,000 square kilometres of former desert are now covered with trees ``.
Higher concentrations of carbon dioxide in the atmosphere equals less vital nutrients in crops like rice and soybeans
Woody vegetation also may be expanding in grasslands because of more carbon dioxide in the atmosphere, Dodds said.
In the report, an international team of climate scientists warns policy - makers that levels of carbon dioxide in the atmosphere are at the extreme end of predictions made only in 2007, and that natural CO2 sinks such as oceans are becoming saturated.
Dumping iron into the ocean stimulates blooms of diatoms that pull down carbon dioxide in the atmosphere — but only under the right conditions
A rather straightforward calculation showed that doubling the level of carbon dioxide in the atmosphere... which would arrive in the late 21st century if no steps were taken to curb emissions... should raise the temperature of the surface roughly one degree C. However, a warmer atmosphere would hold more water vapor, which ought to cause another degree or so of warming.
«For comparison, the amount of carbon dioxide in the atmosphere in 2005 was about 380,000 ppbv — so carbon dioxide absorption of escaping infrared radiation is much more important,» Rowland adds.
Archer therefore describes the climatic changes currently being experienced on Earth as «moderate,» thanks to the blanketing effect that naturally occurring carbon dioxide in the atmosphere has had.
Also associated with this event are high levels of carbon dioxide in the atmosphere, which are linked to elevated ocean and atmospheric temperatures.
Rising temperatures could extend the growing season in northern latitudes, and an increase in carbon dioxide in the atmosphere could benefit some crops by improving water efficiency.
«If there were only one - tenth as much carbon dioxide in the atmosphere initially, the climate forcing we are experiencing today would have already happened, in the year 1900.»
Measurements taken of Antarctic sheet ice show that the concentration of naturally occurring carbon dioxide in the atmosphere was already 278 ppm in the 1750s before industrialization started in earnest.
-- In May, the amount of carbon dioxide in our atmosphere crossed a long - hyped threshold of 400 parts per million.
All this carbon came from thin air, from carbon dioxide in the atmosphere.
Researchers report that decreasing water pH — one consequence of rising levels of carbon dioxide in the atmosphere — dissolves the stony coral's hard skeleton but does not dislodge the soft - bodied polyps from their rocky substrate.
That is roughly the level of sulfate geoengineering needed to counteract the warming that would result if the level of carbon dioxide in the atmosphere climbed to 560 parts per million, up from roughly 390 ppm today.
Any massive, long - term changes in their numbers could alter fish migration patterns, growth rates, and mortality, as well as change the amount of oxygen and carbon dioxide in the atmosphere.
The draft report says that a doubling of the preindustrial concentration of carbon dioxide in the atmosphere is likely to reduce global GDP by between 1 and 3 per cent by the middle of the next century.
Some are calling this new epoch the anthropocene and it is all thanks to our increasing the relatively small amount of carbon dioxide in the atmosphere by burning the vast stores of carbon trapped inside of the fossil fuels that power our modern lives.
They believe this caused global climate change at that time, not carbon dioxide in the atmosphere.
To study the greenhouse effect, climatologists first used models to simulate current conditions, then instantly doubled the amount of carbon dioxide in the atmosphere.
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