Sentences with phrase «by high atmospheric carbon dioxide»

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.

Not exact matches

«They are using this information to test state - of - the - art climate models under conditions of high atmospheric carbon dioxide concentrations, similar to those expected by the end of this century.»

A report published last year by the National Institutes of Health attributes greater pollen to higher atmospheric carbon dioxide — the result of industrial and automotive pollution.

For example, they describe the unexpectedly high amounts of beetle herbivory in soybeans in response to elevated atmospheric carbon dioxide, as evidenced by FACE experiments.

A new study by Stanford University atmospheric scientist Mark Jacobson has revealed that worsening air pollution and higher carbon dioxide emissions go hand - in - hand - the results suggest intensifying global warming will increase the number of smog - related deaths.

And, the IPCC projection is probably too high because it was driven by a collection of climate models which new science indicates produce too much warming given a rise in atmospheric carbon dioxide levels.

When NASAâ $ ™ s James Hansen sounded the alarm in Congress 20 years ago, he predicted that rising concentrations of atmospheric carbon dioxide, or CO2, would drive global temperatures higher by 0.34 degrees Celsius during the 1990s.

During adsorption, atmospheric carbon is chemically bound to the sorbent's surface and, once saturated, the carbon is driven off the sorbent by heating it to 100 C and delivering high - purity gaseous carbob dioxide.

Higher temperatures today are largely sustained by increased atmospheric concentrations of greenhouse gases, especially carbon dioxide.

Yesterday it was announced by the World Meteorological Organization (an arm of the United Nations), with front page coverage by the global media, that the atmospheric concentration of carbon dioxide (CO2) last year reached a new high value (396 parts per million, ppm) and got there in record time (2.9 ppm / yr).

Other researchers have already suggested that high atmospheric carbon dioxide levels, driven by enormous, slow volcanic eruptions, could have turned the oceans increasingly acidic.

The atmospheric concentration of carbon dioxide has increased by more than 30 % since the start of the industrial age and is higher now than at any time in at least the past 650,000 years.