Sentences with phrase «gas emission trends»

In a landmark study published in Nature, researchers found that 18 to 35 percent of species studied in a survey of 20 percent of the Earth's land area will be committed to extinction by the year 2050 if greenhouse gas emission trends continue.

A landmark study surveying 20 percent of the Earth's land area offered a stark prediction: 35 percent of species will be committed to extinction by the year 2050 if greenhouse gas emission trends continue.

Assumptions and uncertainties associated with climate scenarios (Randall et al., 2007) are not considered here, other than to identify the greenhouse gas emission trends or socio - economic development pathways (e.g., SRES, Naki?enovi?

Greenhouse gas emission trends and projections in Europe 2011.

By modeling the observed changes in drought recovery times with «business as usual» circumstances for future conditions, meaning assuming greenhouse gas emission trends continued as they have, the researchers were able to predict the future recovery times of droughts.

Nonetheless, our sea - level rise projections for the first half of this century are not strongly affected by the way Antarctica is modeled, nor are they strongly tied to global greenhouse gas emissions trends.

Nonetheless, our sea - level rise projections for the first half of this century are not strongly affected by the way Antarctica is modeled, nor are they strongly tied to global greenhouse gas emissions trends.

Not exact matches

In fact, absent new measures Environment Canada's 2014 emissions trends report projected that oil sands emissions would drive increased emissions from the oil and gas sector of 45 Mt CO2e (to a total of 204 MtCO2e) between 2005 and 2020, offsetting the emission reductions made in other sectors.

On Friday November 21st Glass Lewis hosted a Proxy Talk conference call with CERES and Walden Asset Management to discuss the risks from stranded carbon assets, greenhouse gas emissions and hydraulic fracturing as well as trends in -LSB-...]

Greenhouse gas emissions in B.C. have increased every single year since Premier Christy Clark took office, and they are still trending upwards.

«In general there is a clear and strong trend with reduced greenhouse gas emissions in diets that contain less meat,» said lead researcher Peter Scarborough, who added that the study was the first to «confirm and quantify the difference» between diet - related carbon footprints.

Combination of economic trends and policies Still, for now an array of Obama administration actions and economic trends are conspiring to cut emissions, according to EIA: Americans are using less oil because of high gasoline prices; carmakers are complying with federal fuel economy standards; electricity companies are becoming more efficient; state renewable energy rules are ushering wind and solar energy onto the power grids; gas prices are competitive with coal; and federal air quality regulations are closing the dirtiest power plants.

If current trends continue and the world fails to reduce greenhouse gas emissions, then severe bleaching will occur every year on 99 per cent of the world's reefs within the century, according to the study.

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.

And with global emissions of greenhouse gases rising ever faster, there's no end in sight to the grim trend.

Their findings: natural influences such as changes in the amount of sunlight or volcanic eruptions did not explain the warming trends, but the results matched when increasing levels of greenhouse gas emissions were added to the mix.

Scientists can confidently say that Earth is warming due to greenhouse gas emissions caused by humans, but data on climate trends over the Antarctic and the surrounding Southern Ocean only go back to 1979 when regular satellite observations began.

The trend worries many local environmental groups, such as California's Surfrider Foundation or Australia's Nature Conservation Council of NSW, which are concerned about protecting nearby ecosystems by safely disposing the concentrated brine left from the process as well as increased fossil - fuel use and the resulting greenhouse gas emissions.

Global warming became big news for the first time during the hot summer of 1988 when now - retired NASA climate scientist James Hansen testified before Congress that the trend was not part of natural climate variation, but rather the result of emissions of CO2 and other greenhouse gasses from human activities.

But other IPCC work — on trends in emissions of greenhouse gases, for instance — assumes poor nations will grow richer.

USA emissions increased 2.9 %, due to a rebound in coal consumption potentially reversing the downward trend since the start of the shale - gas boom in 2007

While the ranking of individual years can be affected by chaotic weather patterns, the long - term trends are attributable to drivers of climate change that right now are dominated by human emissions of greenhouse gases,» said GISS Director Gavin Schmidt.

Adaptation notwithstanding, Yohe and Schneider say that scientists must also figure out a way to reduce greenhouse gas emissions to reverse the heating trend to prevent further damage.

A new study, published today in Nature Climate Change, suggests that — if current trends continue — food production alone will reach, if not exceed, the global targets for total greenhouse gas (GHG) emissions in 2050.

If greenhouse gas emissions continue on their current trend, the rate of warming will reach 0.7 °F per decade and stay that high until at least 2100.

From his own research in chemical oceanography, along with data from a number of recent studies, Weber points out that some negative consequences of greenhouse gas emissions and warming «are manifesting faster than previously predicted,» including ocean acidification and oxygen loss, which are expected to affect «a large fraction of marine species if current trends continue unchecked.»

RCP (representative concentration pathways) Imagined plausible trends in greenhouse gas emissions and resulting concentrations in the atmosphere used in climate projection models.

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.

The warming from sulfate would partly offset the downward temperature trend that would come from the decline in greenhouse gas emissions.

He seemed to hit his stride from 2008 through 2010, when those fighting efforts to cut greenhouse gas emissions were buoyed by email hacks, the Great Recession, the breakdown of climate talks in Copenhagen and a stutter - step in the global warming trend.

Is the prevailing opinion that that upward trend is primarily caused by human emissions of greenhouse gases or am I looking at a natural phenomenon that humans are now adding to?

It's been nice in recent days to see some strong advocates for curbs in emissions of greenhouse gases shift from the more overheated, and unsupported, rhetoric they used earlier this year in attempting a kind of «kitchen sink» argument aiming to tie virtually every recent harmful weather event to warming, even those — like powerful tornadoes — for which there is no link and certainly no trend.

But temperatures are running so far ahead of those during the last strong El Niño, in 1997 and 1998, that scientists said the records would not be occurring without an underlying trend caused by human emissions of greenhouse gases.

«In a scenario of zeroed CO2 and sulfate aerosol emissions, whether the warming induced by specified constant concentrations of non-CO2 greenhouse gases could slow the CO2 decline following zero emissions or even reverse this trend and cause CO2 to increase over time is assessed.

The Associated Press has put out an interesting interactive mapof climate change data, including the emission trends from countries in the northern hemisphere, graphs of the various indicators of global warming such as glacier melts and global temperatures, and the pledges that different countries have made when it comes to reducing greenhouse gas emissions.

James E. Hansen, the head of Goddard and an outspoken campaigner for prompt cuts in greenhouse - gas emissions, explained that the decades - long global warming trend and patterns of warming remain consistent with a growing influence on climate from the planet's building blanket of heat - trapping greenhouse gases.

has an excellent overview of energy trends in the world — and what would need to happen for the world to curtail its greenhouse gas emissions and avoid significant global warming.

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

They say their findings, which focused on the effect titling had on forest clearing and disturbance in the Peruvian Amazon between 2002 and 2005, suggest that the increasing trend towards decentralized forest governance via granting indigenous groups and other local communities formal legal title to their lands could play a key role in global efforts to slow both tropical forest destruction, which the researchers note is responsible for about the same amount of greenhouse gas emissions as the transportation sector, and climate change.»

First of all, it means that human greenhouse gas emissions were easily able to overturn what should be a natural cooling trend.

A shift away from burning coal to cleaner natural gas and renewable sources has seen power sector emissions trend downwards since 2007.

The most statistics can tell us at present is that there does appear to be a genuine warming trend in figure A. Whether this trend is the effect of greenhouse gas emissions or of a natural fluctuation due to some as - yet - undiscovered mechanism can not be determined from an analysis of the global mean temperature alone.

Agriculture is responsible for about 8 % of U.S. heat - trapping gas emissions, 23 and there is tremendous potential for farming practices to reduce emissions or store more carbon in soil.24 Although large - scale agriculture in the Midwest historically led to decreased carbon in soils, higher crop residue inputs and adoption of different soil management techniques have reversed this trend.

The NIRs contain detailed descriptive and numerical information and the CRFs contain summary, sectoral and trend tables for all greenhouse gas (GHG) emissions and removals, and sectoral background data tables for reporting implied emission factors and activity data.

Last year the underlying multi-year average growth rate was higher than ever because the rate of emissions from the burning of coal, oil, and natural gas has experienced a steady upward trend.

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

The climate downside to this trend is methane «slip» — emissions of unburned methane, a far more potent greenhouse gas than CO2 (per pound), a problem that marine engine manufacturers are beginning to tackle.

The recent strong increase in fossil fuel CO2 emissions is mainly driven by an increase in emissions from coal, whereas emissions from oil and gas to a large degree follow the trend from the 1990s.

One passage written by Heartland reads, «Scientists who study the issue say it is impossible to tell if the recent small warming trend is natural, a continuation of the planet's recovery from the more recent «Little Ice Age,» or unnatural, the result of human greenhouse gas emissions.»

The weather we've seen this fall may or may not be due to the global warming trend, but it's certainly a clear picture of what the future is going to look like if we don't act quickly to cut emissions of the greenhouse gases.