Sentences with phrase «considered dangerous levels»

In order to avoid what's internationally considered dangerous levels of global warming, we need to achieve tremendous levels of greenhouse gas emissions reductions.

Not exact matches

In the past few months, the price to economic book value (zero - growth value) ratio of SPY reached 2.6, which is what we consider to be a Dangerous level.
While the lead levels found in baby food in the EDF report did not exceed the FDA limit, both the EDF and EPA note that there is really no known safe level of lead in the blood, so any consumption by children is considered to be dangerous.
Indeed, the rhetoric is nothing less than threatening, of any and all bedsharing parents even when risks are minimized; and the zeal and imprecise language which is being used by many technicians involved in what is considered «safe infant sleep» campaigns is over simplified to the point that it is inaccurate, misleading, and inappropriate, and is itself dangerous on many different levels, both politically and scientifically (see Gettler and McKenna 2010 available on this website).
New York was ranked eighth, a level that is considered «dangerous
In 2012, the CDC lowered the blood lead level it considered dangerous.
The wells also contained benzene at 50 times the level that is considered safe for people, as well as phenols — another dangerous human carcinogen — acetone, toluene, naphthalene and traces of diesel fuel.
The findings suggest that policymakers in Brazil and across the developing world should pay more attention to the negative health impact of pollution from fires that are often part of traditional farming techniques, even though the pollution doesn't usually reach levels considered dangerous by industrial standards.
In May 2013, the CO2 concentration in Earth's atmosphere surpassed a milestone of 400 ppm for the first time in human history, a level that many scientists consider dangerous territory in terms of its impact on Earth's climate.
According to Gates, laying hen facilities are recognized as a very dusty environment; a dairy facility is a very open, airy environment with lots of fresh air; and a swine - finishing building, although not considered to be terribly dusty, is actually the worst overall in dust level, especially at the most dangerous particulate matter (PM) level.
Scientists consider that level of global warming dangerous, and the goal of the Paris Climate Agreement is to stop global warming before that limit is reached.
These time scales are within the lifetime of anthropogenic CO2, and thus these feedbacks must be considered in estimating the dangerous level of global warming.
Given the unprecedented rapidity of the human - made climate forcing, it is difficult to establish how soon slow feedbacks will become important, but clearly slow feedbacks should be considered in assessing the «dangerous» level of global warming, as discussed in the next section.
Natural agents that can lower dangerous levels of cellular oxidative stress are considered paramount to lowering blood pressure in susceptible individuals.
Malaysian officials on Sunday said the Pollution Standards Index in Muar and Ledang had topped 700, more than twice the 300 level considered dangerous.
Twenty - five percent saturation level is considered dangerous for people.
Built originally as a rigid non-floating jetty for ferrying tourists and locals out to snorkel and scuba dive the Great Barrier Reef one important thing to consider at the time was not planned for and that was that the Palm Cove beach faces south east and the change in tide levels made it difficult to board passengers with a rising and descending ocean making it quite dangerous so nowadays the jetty is a mecca for fishing enthusiasts all year round and both day and night.
So many times I have avoided surfing waves at home that are crowded, slightly dangerous, such as reef breaks, or surf spots which I considered above my ability level.
We are therefore committed to -LSB-...] stabilize greenhouse gas concentrations at a level that would prevent dangerous anthropogenic interference with the climate system -LSB-...] we will consider seriously the decisions made by the European Union, Canada and Japan which include at least a halving of global emissions by 2050.
Apart from that: ``... atmospheric oxygen levels are dropping to levels considered dangerous for humans, particularly in cities»
Anthropogenic emissions of CO2 are increasing, and accelerating, and current proposals for reducing them present no plausible scenario in which emissions will actually peak and decline in anywhere near the time frame that is required to avoid what are generally considered «dangerous» levels of CO2 (although points 1 - 3 above suggest that the current levels are more dangerous than has been generally believed).
Actual and projected emission levels are already at the high end of Hansen's «alternative scenario» which was suggested as an achievable outcome (based on significant control efforts) that kept forcings (including Co2, CH4 and black carbon) below a level that Hansen considered would be «dangerous» (specifically a level that would avoid the melting of any significant fraction of the WAIS or Greenland ice sheet).
By 2009, nearly every government in the world had endorsed the 2 °C limit — global warming beyond that level was widely considered «dangerous
The Guardian: Beijing's skyscrapers receded into a dense gray smog on Thursday as the capital suffered the season's first wave of extremely dangerous pollution, with the concentration of toxic small particles registering more than two dozen times the level considered safe.
The 450 ppm level is considered to be the point at which the world has a 50 per cent chance of avoiding dangerous climate change.
Since this planet is always fighting warm and not cold...... since CO2 levels rapidly dropped to what should be considered dangerous low levels
As these SRM techniques are also largely unproven, require a mostly peaceful world to be deployed in, require the bending of judiciary systems, may backfire climatologically and do «nothing» [considering ocean temperature feedbacks they actually do do something] to abate ocean acidification — the simple notion that it is cheap [again, policy thinking] makes geoengineering so dangerous, possibly undermining cooperation behind the world's mitigation attempts, under the UNFCCC, the hard route that we need to go anyway * [as CDR geoengineering lacks the potential to get carbon concentrations back to safe levels, also for marine life — and isn't much cheaper / is costlier anyway].
Given the unprecedented rapidity of the human - made climate forcing, it is difficult to establish how soon slow feedbacks will become important, but clearly slow feedbacks should be considered in assessing the «dangerous» level of global warming, as discussed in the next section.
If all emissions cuts put forward to date are achieved, a big «if», the world would still warm around 3.5 degrees Celsius (6.3 degrees Fahrenheit), a level that most scientists consider dangerous.
In short, if these studies are right, it might take us an extra decade or so to reach global warming levels considered unacceptably dangerous.
Consider, for example, that Lowe, et al. [in Avoiding Dangerous Climate Change, H.J. Schellnhuber et al. (eds), Cambridge University Press, Cambridge, 2006, p. 32 - 33], based on a «pessimistic, but plausible, scenario in which atmospheric carbon dioxide concentrations were stabilised at four times pre-industrial levels,» estimated that a collapse of the Greenland Ice Sheet would over the next 1,000 years raise sea level by 2.3 meters (with a peak rate of 0.5 mm / yr).
Do you consider a 4 C rise dangerous or several meters of sea - level rise dangerous?
Jim D: MM, it didn't answer the question whether you consider a 4 C rise or a few meters of sea - level rise dangerous.
MM, it didn't answer the question whether you consider a 4 C rise or a few meters of sea - level rise dangerous.
The board concluded that eight alcohol - related incidents at the mill over a 15 - year period did not rise to the level of workplace alcohol abuse required to be considered dangerous.
If you have a pool or other yard equipment that could be considered dangerous, then you may want a higher level of coverage.
While studies on the link between violent games and aggression are inconclusive, declaring that the imaginary bullets of video games are more dangerous than actual bullets that tear apart the bodies of their victims requires an Olympian level of mental gymnastics — but one that becomes necessary when more obvious conclusions are considered politically untenable.
Because of this, the percentage of monthly income going toward monthly payments is still well below levels that analysts consider dangerous.
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