Sentences with phrase «causing atmospheric carbon»

Global consumption of fossil fuels is causing atmospheric carbon dioxide and other greenhouse gases to rise to levels that threaten human and environmental sustainability.

The seven - day rainfall total from Harvey was as much as 40 percent higher than rainfall from a similar storm would have been decades ago, before human activity caused atmospheric carbon dioxide levels to spike, according to a study published yesterday in Geophysical Research Letters.

According to a GES press release, «the founders of GES made it their stated mission to share the good news about our adaptable climate; namely, that nature is growing stronger and greener as human activity causes the atmospheric carbon dioxide concentration to rise.

Not exact matches

Darin Toohey, a professor at the University of Colorado's atmospheric and oceanic sciences department and one of the paper's authors, says black carbon absorbs shortwave radiation from the sun, causing the atmosphere to heat up.

This «would create a persistent layer of black carbon particles in the northern stratosphere that could cause potentially significant changes in the global atmospheric circulation and distributions of ozone and temperature,» they concluded.

The chemistry of the ocean is also affected, as the increased concentrations of atmospheric carbon dioxide will cause the ocean to become more acidic.

The team says these factors combined to cause a sudden drop in atmospheric carbon dioxide, which would have cooled the planet sufficiently to cause the ice age.

The event commemorates the 5 November 1965 President's Council of Advisors on Science and Technology (PCAST) report to President Lyndon B. Johnson, which warned that the accumulation of atmospheric carbon dioxide from the burning of fossil fuels would «almost certainly cause significant changes» to the environment.

Already, atmospheric levels of carbon dioxide, the leading greenhouse gas, are approaching 400 ppm, and at least the amount of warming caused by that level is likely by century's end.

Although the earth has experienced exceptional warming over the past century, to estimate how much more will occur we need to know how temperature will respond to the ongoing human - caused rise in atmospheric greenhouse gases, primarily carbon dioxide.

This balance is threatened by increasing atmospheric carbon dioxide, which causes ocean acidification (decreasing ocean pH).

Human - caused climate change caused the storm to drop significantly more rain than storms would have before atmospheric carbon dioxide levels spiked from the consumption of fossil fuels, according to research published yesterday.

Since methane can cause about 20 times as much atmospheric warming as carbon dioxide, curbing methane would help slow global warming.

Because plants take up CO2 during photosynthesis, it has long been assumed that they will provide a large carbon «sink» to help offset increases in atmospheric CO2 caused by the burning of fossil fuels.

Natural geochemical processes that result in the slow buildup of atmospheric carbon dioxide may have caused past geologic intervals of global warming through the greenhouse effect

The researchers, thus, conclude that an increase in carbon dioxide levels caused by extremely strong vulcanism was accompanied by a decrease of atmospheric oxygen.

Increasing atmospheric concentrations of carbon dioxide do not only cause global warming, but probably also trigger increased occurrences of extreme weather events such as long - lasting droughts, heat - waves, heavy rainfall events or extreme storms.

A new NASA study provides space - based evidence that Earth's tropical regions were the cause of the largest annual increases in atmospheric carbon dioxide concentration seen in at least 2,000 years.

These changes alter the biospheric carbon cycle, and can significantly affect how much carbon is cycled through plant matter, in turn causing changes in atmospheric CO2.

In Chapter 7, the IPCC report states it clearly: «the increases in atmospheric carbon dioxide and other greenhouse gases during the industrial era are caused by human activities».

As if the title weren't misleading enough, the article goes on to say that «Many scientists believe the burning of fossil fuels is causing an increase in atmospheric carbon dioxide, triggering... the greenhouse effect.»

Anthropogenic releases of previously sequestered carbon (prinicipally from burning fossil fuels) cause the atmospheric concentration of CO2 to increase.

One of the things pointed out in that post is that we know that the rise in atmospheric CO2 is entirely caused by fossil fuel burning and deforestation because many independent observations show that the carbon content has also increased in the ocean.

«Climate sensitivity» remains a subject of intense investigation, and what counts as hellish is a matter of judgment, but United Nations climate negotiators have settled on a goal to limit atmospheric carbon dioxide to 450 parts per million, which would cause the global mean temperature to peak no more than 3.6 °F above preindustrial levels.

So even doubling the concentration of atmospheric carbon dioxide would only result in a very small theoretical rise in temperature, since the largest amount of the greenhouse effect caused by atmospheric CO2 has already occurred with the first 20 ppmv concentration.

The logic is straightforward: Plants need atmospheric carbon dioxide to produce food, and by emitting more CO2 into the air, our cars and factories create new sources of plant nutrition that will cause some crops and trees to grow bigger and faster.

There are no experimental data to support the hypothesis that increases in human hydrocarbon use or in atmospheric carbon dioxide and other green house gases are causing or can be expected to cause unfavorable changes in global temperatures, weather, or landscape.

It is impossible for the greenhouse effect to be its cause because there was no concurrent increase of atmospheric carbon dioxide.

The ocean uptake of excess atmospheric carbon dioxide, the excess above preindustrial levels driven by human emissions, causes well - understood and substantial changes in seawater chemistry that can affect marine organisms and ecosystems.

«Growth in wood supply causes steady growth in atmospheric CO2 because more CO2 is added to the atmosphere every year in initial carbon debt than is paid back by regrowth, worsening global warming and climate change.

Although it is not their primary cause, atmospheric carbon dioxide (CO2) also plays an important role in the ice ages.

Acidification is independent of warming of the atmosphere but the two are linked through the underlying cause of elevated atmospheric carbon dioxide.

It holds that countries that historically caused the recent atmospheric carbon dioxide build - up must lead in cutting their emissions, while helping developing countries eventually do likewise, by pouring trillions of dollars in cash and free technology into the Green Climate Fund for supposed climate change adaptation, mitigation and compensation.

Sections 243.1 - 243.4 of Article 243 of the Code, specifically: rate of the tax due on emissions of certain pollutants into the atmospheric air, caused by stationary sources of pollution; rates of the tax due on stationary sources» emissions into the atmospheric air of pollutants (compounds), which are not listed in Section 243.1 of this Article and are falling within a certain substance hazard category (except for carbon dioxide), shall be applicable subject to determined approximately safe impact levels of such substances» (compounds») impact on the atmospheric air of urban settlements; and rates of tax due on emissions of carbon dioxide

This strong correlation between atmospheric temperature and the level of carbon dioxide is highly suggestive, but does not prove on its own, that rising levels of carbon dioxide are causing warming.

Indeed, the map at which JAXA spokesman Sasano was pointing (see photo above) had been expected by most experts to show that western nations are to blame for substantial increases in atmospheric levels of carbon dioxide, causing global warming.

What is concerning is the possibility that rapid global warming could occur faster than many people believe is possible, if global warming due to atmospheric carbon dioxide causes the Earth's atmosphere to warm enough to release enormous deposits of frozen methane (CH4) that are stored in the permafrost above the Arctic Circle and in frozen methane ice, known as methane hydrate, underneath the floors of the oceans throughout the world (see: How Methane Gas Releases Due To Global Warming Could Cause Human Extinction).

The greenhouse theory has already made two wrong predictions First, that adding carbon dioxide to air will reduce atmospheric IR transmittance (it didn't); and second, that it will cause twenty - first century warming (it didn't).

Increased atmospheric carbon dioxide due to massive burning of carbon - containing fossil fues: petroleum, natural gas, coal; and other causes such as changes to land use and clearing of forest;

Damage to coral reefs from higher ocean temperatures and ocean acidification caused by higher atmospheric carbon dioxide levels, as well as damage from pollution and sedimentation, are threatening these breeding grounds for fish in tropical and subtropical waters.

And (2) with regard to its main rationale, carbon emissions cause warming, the vector of causation is backwards: atmospheric CO2 concentration follows global warming, empirically and theoretically, while human emissions are lost in the noise.

1) How much warming will an increase in atmospheric carbon dioxide cause directly?

«we find no direct evidence to support the claims that the Greenland ice sheet is melting due to increased temperature caused by increased atmospheric concentration of carbon dioxide.

This led to the «early anthropogenic hypothesis» that early agriculture caused the observed (and anomalous) reversals in the natural declines of atmospheric CO2 (carbon dioxide) near 7000 years ago and CH4 (methane) near 5000 years ago.

Thus it is scientifically proven that rising atmospheric levels of carbon dioxide cause global warming.»

A comparison of CO2 and CH4 fluxes from eutrophic reservoirs suggests that eutrophication does little to change the net carbon balance of reservoirs, but greatly increases the atmospheric radiative forcing caused by these systems through the stimulation of CH4 production (figure 3).

This number, that is the number of tons of CO2 emissions that can be emitted before atmospheric concentrations exceed levels that will cause dangerous climate change, is what is meant by a carbon budget.

Serious tree loss and stunted growth caused by repeated droughts in the Amazon Basin have damaged the rainforest's vital ability to store atmospheric carbon

Although the earth has experienced exceptional warming over the past century, to estimate how much more will occur we need to know how temperature will respond to the ongoing human - caused rise in atmospheric greenhouse gases, primarily carbon dioxide.

«On the global scale, greenhouse gases like carbon dioxide cause the most concern related to climate change,» said Yun Qian, the paper's lead author and an atmospheric scientist at PNNL.