Sentences with phrase «human greenhouse gas emissions during»

Therefore, I think a statement like «The green bar shows the amount of warming caused by human greenhouse gas emissions during that time.»

The green bar shows the amount of warming caused by human greenhouse gas emissions during that time.

Not exact matches

In a paper published this month in Geophysical Research Letters, Lovejoy concludes that a natural cooling fluctuation during this period largely masked the warming effects of a continued increase in human - made emissions of carbon dioxide and other greenhouse gases.

The scientists looked at the so - called biogenic fluxes or flow of the three greenhouse gases on land that were caused by human activities over the last three decades and subtracted out emissions that existed «naturally» during pre-industrial times.

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.

Terrell Johnson, reporting on a recent NASA publication concluding that deep ocean temperatures have not increased since 2005 (http://www.weather.com/science/environment/news/deep-ocean-hasnt-warmed-nasa-20141007): «While the report's authors say the findings do not question the overall science of climate change, it is the latest in a series of findings that show global warming to have slowed considerably during the 21st century, despite continued rapid growth in human - produced greenhouse gas emissions during the same time.»

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.

Concludes that past human emissions of greenhouse gases are already negatively impacting statewide water resources during drought

Technology will advance far enough during that time to make the issue of runaway warming or climate change tipping points from human greenhouse gas emissions moot historical footnotes.

Some experts claim the rise in temperature during the past century was «unprecedented» and proof that immediate action to reduce human greenhouse gas emissions must begin.

In fact, there is no better way to obtain a good picture of how human health and welfare may trend in the future under increases in greenhouse gas emissions than to assess how we have fared in the past during a period of increasing greenhouse gas emissions and ambient levels.

The rise in temperatures along the U.S. West Coast during the past century is almost entirely the result of natural forces — not human emissions of greenhouse gases, according to a major new study released today in the Proceedings of the National Academy of Sciences.

This year's temperatures now appear set to exceed 1998's values by around 0.35 C — or about one - third of the entire warming total seen since large - scale human greenhouse gas emissions began during the late 19th century.

The latter is a politico -(pseudo) scientific construct, developed since the late - 1980s, in which the human emission of «greenhouse gases», such as carbon dioxide and methane, is unquestioningly taken as the prime - driver of a new and dramatic type of climate change that will inexorably result in a significant warming during the next 100 years and which will inevitably lead to catastrophe for both humanity and the Earth.

«The Australian National University announced the discovery on Sunday, claiming evidence shows human - caused greenhouse gas emission during the past 45 years has increased the rate of temperature rise to 1.7 degree Celsius per century, «dwarfing the natural background rate,» according to Will Steffen, a climate change expert and ANU professor.»

«Humans added plenty greenhouse gases before industrialisation» The author's quote methane emissions annually were greater during the Roman Period than that of all the current world landfill sites.

The most influential of the greenhouse gases, carbon dioxide emissions have been increasing significantly during the last few centuries due to human activity.

In March 2007, Hansen told the House of Representatives Committee on Oversight and Government Reform, «The effect of the filtering of climate change science during the current administration has been to make the reality of climate change less certain than the facts indicate, and to reduce concern about the relation of climate change to human - made greenhouse gas emissions.»

RE: The Over-whelming scientific Consensus on man - made CO2 caused Global - warming - 97 % of the climate scientists surveyed believe «global aver temps have increased» during the past century [So do I]-- Your quotes: How «significant it is that 84 % of climate scientists have reached a «consensus» that «human - induced warming is occurring» «--RCB- 84 % «personally believe» [implies they may NOT have actually studied this topic — IE: may NOT be experts on this particular matter] human - induced warming is occurring -LCB--... — «In 1991 only 41 % of climate scientists were very confident that industrial emissions of greenhouse gases were responsible for climate disruption.