Sentences with phrase «significantly higher carbon»

This breakdown showed that certain states, such as New York for example, that would expected to see its increasing population and affluence bring along significantly higher carbon dioxide emissions instead saw those emissions fall thanks to politics that favored environmental protections.

Not exact matches

Rogers notes that, «This is the first evidence that pollen production is significantly stimulated by elevated carbon dioxide in a grass species and has worldwide implications due to the ubiquitous presence of grasses in all biomes and high prevalence of grass pollen allergy.

«We found that investing in all - electric battery vehicles is a more economical choice for reducing carbon dioxide emissions, primarily due to their lower cost and significantly higher energy efficiency.»

Higher exposure to black carbon (a marker of traffic - related pollution) averaged over a one year period was significantly associated with a lower «good» cholesterol level.

«Microbial cell and organic carbon concentrations in this accreted ice are significantly higher than those in the overlying ice, which implies that the subglacial environment is the source,» says Christner.

EnerG2 also said that its manufacturing approach has enabled the integration of advanced nano - scale silicon into EnerG2's best - in - class hard carbon materials, providing a cohesive carbon - silicon nanocomposite anode material for significantly higher performance.

The coastal ecosystems of mangroves, seagrass meadows and tidal marshes mitigate climate change by sequestering carbon dioxide (CO2) from the atmosphere and oceans at significantly higher rates, per unit area, than terrestrial forests (Figure 1).

Since 2005 the consumption of higher carbon fossil fuels has begun to decline very significantly, which has caused individual U.S. end - use Sectors» carbon emissions to also decline.

An increase in temperatures as a result of global warming may lead to significantly higher levels of carbon dioxide being released into the atmosphere.

Specimens of elkhorn coral living in water with excess carbon dioxide have been studied for fertilization rates, ability of larvae to settle on reef substrate (where they produce new corals), and subsequent growth and survival.3 Three levels of carbon dioxide were tested, corresponding to concentrations today, at mid-century, and at the end of the century on a high - emissions path.3, 5 At the mid-century concentration, the ability of fertilization to occur and for larvae to settle successfully on the reef was significantly reduced: around 52 percent, and the decline intensified to about 73 percent at the late - century concentration.3 The corals» ability to survive over the long run declined as well, by an average of 39 percent and 50 percent respectively.3, 4

Mr. Bush said today that a recent Energy Department study had concluded that regulating carbon dioxide emissions would have led to «significantly higher electricity prices.»

The study further demonstrated that the methane emissions, which were among the highest rates ever reported, varied seasonally and significantly influenced the restored wetlands» carbon and energy balances.

7: Forests).18, 31,32,33,34,35 Long periods of record high temperatures are associated with droughts that contribute to dry conditions and drive wildfires in some areas.159 Wildfire smoke contains particulate matter, carbon monoxide, nitrogen oxides, and various volatile organic compounds (which are ozone precursors) 37and can significantly reduce air quality, both locally and in areas downwind of fires.38, 39,40,41,42

The GCP's new global carbon budget also incorporates updated land - use emission estimates that significantly revise past land - use change emissions, showing higher emissions prior to 1960, lower emissions between 1960 and 1999, and higher emissions from 1999 through to present.

But the study says Drax's own data shows that while burning coal leads to emissions of 1,901 lb of carbon dioxide per megawatt hour (Mwh), the figure for wood is significantly higher — 2,128 lb per Mwh.

The High Volume Fly Ash cement models indicate that if this cement is vigorously applied worldwide, assuming a 10 - year phase - in period, the technology could significantly reduce carbon dioxide emissions.

«Our results indicate that tropical sea surface temperatures were significantly higher than today during the Early Silurian period (443 — 423 Myr ago), when carbon dioxide concentrations are thought to have been relatively high, and were broadly similar to today during the Late Carboniferous period (314 — 300 Myr ago), when carbon dioxide concentrations are thought to have been similar to the present - day value.

Global atmospheric carbon dioxide concentrations have now passed 400 parts per million (ppm), a level that last occurred about 3 million years ago, when both global average temperature and sea level were significantly higher than today.

The CCSM indicated that ocean waters warmed significantly at higher latitudes because of rising atmospheric levels of carbon dioxide (CO2), a greenhouse gas.

As you can see, they found that tree density was significantly higher (in eight of nine forest types) in the current era of high carbon dioxide, when compared to the early period when concentrations were around 306 ppm, only about 10 percent above the pre-industrial background.

To develop a fuel feed technology for high - pressure gasifiers that will result in significantly lower - cost coal gasification plant construction and / or operation for production of power with carbon capture; or that will result in significantly lower - cost coal gasification plant construction and / or operation for production of liquid fuels with carbon capture.

The higher global warming potential of lower - emitting greenhouse gases significantly increases their contributions to the greenhouse effect.For example, over a 100 - year time horizon, nitrous oxide is 310 times more effective than carbon dioxide at trapping heat in the atmosphere.

This is because the downturn had affected investments into unsustainable high carbon technologies much more significantly than investment in renewable energies, which have been less badly hit and quicker to recover.

The team found that during exceptionally dry summers as much as 90 % of total annual carbon emitted from peatlands is likely lost from runoff — significantly higher than the previous estimates of 50 %.

«While it is unreasonable to completely reduce carbon dioxide created by homes, there are various practices homeowners can implement, such as installing high - energy efficient windows, doors and insulation, high efficiency furnaces and appliances, and water - conserving fixtures such as showerheads and toilets that will significantly reduce negative effects on the environment.»