Sentences with phrase «dioxide emission trends»

Previous work by the group projected that all of the reefs in the world may be dissolving in a few decades if current carbon dioxide emission trends continue.

* Scientists from the Carnegie Institution's Department of Global Ecology have calculated that if current carbon dioxide emission trends continue, by mid-century 98 % of present - day reef habitats will be bathed in water too acidic for reef growth.

Not exact matches

From 1990 to 2008 the US increased its CO2 emissions by 12 per cent while the EU decreased its by 9 per cent, despite broadly similar economic growth trends (see «Peak planet: Carbon dioxide emissions «-RRB-.

And energy trends may help: Solar and wind power costs have plummeted, and carbon dioxide emissions in the U.S. have dropped amid shifts from coal to natural gas.

«This represents a direct reduction in emissions from the current trends, because dedicated energy crops will reassimilate some of the carbon dioxide emitted by energy use.»

Global GHG emissions continue to be dominated by fossil carbon dioxide (CO2) emissions, which however show a slowdown trend since 2012, and were stalled for the third year in a row in 2016.

In its annual analysis of trends in global carbon dioxide emissions, the Global Carbon Project (GCP) published three peer - reviewed articles identifying the challenges for society to keep global average warming less than 2 °C above pre-industrial levels.

Richard Muller, founder and scientific director of the Berkeley Earth Surface Temperature Study, released a peer reviewed study concluding that climate change trends are due entirely to human carbon dioxide emissions.

A recent trend in GCMs is to extend them to become Earth system models, that include such things as submodels for atmospheric chemistry or a carbon cycle model to better predict changes in carbon dioxide concentrations resulting from changes in emissions.

«We can use this to look at trends in sulfur dioxide emissions on the scale of an entire volcanic arc.»

And as the animation shows, it's a long - term trend that is likely to continue until the emissions of carbon dioxide and other greenhouse gases are significantly curtailed.

A sobering new analysis of HFC emission trends, published Monday in the Proceedings of the National Academy of Sciences, forecasts that by midcentury, emissions of these chemicals could be heating the atmosphere with the same punch as 7 or 8 billion tons a year of carbon dioxide.

Researchers at Stanford University who closely track China's power sector, coal use, and carbon dioxide emissions have done an initial rough projection and foresee China possibly emitting somewhere between 1.9 and 2.6 billion tons less carbon dioxide from 2008 to 2010 than it would have under «business as usual» if current bearish trends for the global economy hold up.

The post centers on an interview with Glen Peters, a scientist who is one of the authors of this year's Global Carbon Budget report, tracking emissions trends for carbon dioxide from energy and cement production.

To many climate scientists who've also tracked emissions trends, circling toward this kind of geo - engineering is almost unavoidable given the scope of the physical challenge of reducing the atmosphere's carbon dioxide concentration in the wake of humanity's 21st - century crest in fossil fuel use.

Global data on emissions of carbon dioxide vividly illustrate the wishful nature of such thoughts when considered against powerful underlying trends.

The importance of population size in gauging emissions trends was raised by Chinese officials here, who noted that their one - child policies reduced births by 400 million and emissions of carbon dioxide by some 18 million tons a year.

The move by the Obama administration is mostly doing what's possible, not what's needed given global emissions trends for carbon dioxide, but is still creditable given the lack of such a step under previous administrations.

Jesse Ausubel, an energy and environment expert at Rockefeller University, said in an e-mail message that the climate negotiations from 1992 onward have mainly enshrined a natural trend, with plenty of bumps and dips, toward ever less carbon dioxide emissions from energy production.

«The primary cause of both trends is emissions of carbon dioxide and other greenhouse gases from industry, transport and other human activities.

Global upper - ocean chemistry trends driven by human carbon dioxide emissions are more rapid than variations in the geological past.

Karlsson claims that «human emissions of carbon dioxide and other anthropogenic greenhouse gases is [sic] a substantial influence on the current warming trend.»

This trend was reinforced by the reciprocal climate deal that China struck with the Obama administration in November, under which China agreed to peak its carbon dioxide emissions by 2030 and put a cap on coal burning by 2020.

Figure 2, at right: Emissions trends used in the three models for sulfur dioxide (SO2; top) and black carbon (BC; bottom) following the A1B mid-range socio - economic storyline.

They used a number of climate models and made a «moderate estimate» of future emissions of carbon dioxide and other greenhouse gases that are widely believed to be contributing to the recent warming trend of the Earth's climate.

A new report evaluating air pollution trends at the nation's 100 largest electric power producers shows that emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) have fallen markedly in recent years, but carbon dioxide (CO2) emissions increased and will likely spike in coming years.

If that trend continues, the IEA says, global carbon - dioxide emissions will keep rising sharply and climate models suggest the Earth could heat up by as much as 6 °C (10.8 °F) over the long term.

Longer historic warming trends indicate that carbon dioxide emissions and other anthropogenic greenhouse gases are rapidly warming the planet — so it's not just complex weather systems like El Niño.

Only when the trends for human - induced heat - trapping gases, sulfur dioxide emissions, soot, ozone, and land use changes are also included do the hindcast model results (Figure 3) and the recorded reality match up.

The latest in the series puts the gap between emissions trends and what is actually required to keep the rise in global temperature at a level which does not spell catastrophe for the planet at between 8 - 12 billion tons of carbon dioxide - equivalent (CO2e) by 2020 — less a gap than a gaping chasm!

In other words, if it continues, the recent trend in sea ice loss may triple overall Arctic warming, causing large emissions in carbon dioxide and methane from the tundra this century (for a review of recent literature on the tundra, see «Science stunner: Vast East Siberian Arctic Shelf methane stores destabilizing and venting; NSF issues world a wake - up call: «Release of even a fraction of the methane stored in the shelf could trigger abrupt climate warming»).

New York's use of natural gas increased more than 70 percent from 2005 - 2014 and, as is the trend nationally, New York's carbon dioxide emissions from power generation were down 45.5 percent over the same period.

These trends lead to continued growth in global energy - related emissions of carbon - dioxide (CO2), from 27 Gt in 2005 to 42 Gt in 2030 — a rise of 57 %.

97 % of climate scientists agree that global warming trends are clear and «extremely likely» due to human activities, most prominently the rising emissions of carbon dioxide from the burning of fossil fuels.

Global carbon dioxide emissions continue to track the high end of a range of emission scenarios, expanding the gap between current emission trends and the emission pathway required to keep the global - average temperature increase below 2 degrees Celsius.

There is very strong evidence both for the existence of a warming trend due mainly to emissions of carbon dioxide, and for the occurrence of a peak in the El Nino / Southern Oscillation index.

Over the past three years, carbon dioxide emissions from fossil fuels and industry remarkably saw little - to - no growth; however, analysts cautioned it was too early to tell if the trends would stick.

Among other trends highlighted by analysts, alarmists are now openly calling for censorship, the jailing or execution of climate heretics, and even Chinese Communist - style governance in the bizarre war against human emissions of carbon dioxide — an essential gas exhaled by all people and necessary for plant life that constitutes a fraction of one percent of «greenhouse gases» naturally present in the atmosphere.