Sentences with phrase «while coal combustion»
Rights - of - way on public lands result in landscape and habitat fragmentation, while coal combustion produces a number of gaseous byproducts, including CO2, nitrogen dioxide, sulfur dioxide, and methane — which exacerbate climate change and are associated with ground - level ozone (smog), air pollution, and acid rain.
http://www.biologicaldiversity.org/ Not exact matches
He explained that an article I wrote in 2002 about fires, both natural and human caused, smoldering in coal seams around the world, inspired him, while he was completing a doctorate at the University of California, Berkeley, to switch from studying risks posed by smoldering combustion in spacecraft to those back on Earth.
While those emissions have continued to decline in the West, returns, from a brightening standpoint, have diminished, just as coal combustion ramped up in Asia.
Measures to enable, say, wind power to compete more effectively with coal - based electricity invite an outcome that is the worst of both worlds: coal combustion continues, even as wind power subsidies benefit developers while adding to budget woes.
Methane emissions derive mostly from landfills, agriculture (particularly rice farming), livestock, and natural gas and coal extraction, while soot, otherwise called «black carbon», results from the incomplete combustion of fossil fuels and derives primarily from primitive cook stoves used throughout much of the developing world, as well as diesel engines and coal - burning power plants.
In conclusion, we have identified strong ethical arguments that support the need to ramp up non-fossil fuel combustion in the United States and other developed countries while implicitly acknowledging that there could be some short - term benefit if coal combustion is replaced by natural gas, a conclusion that only can be reached with better understanding of the methane leakage issues.
Mining, transportation, and combustion of coal contribute to poor air quality and respiratory disease, while the risky nature of mining coal results in death and injury for workers.»
Coal combustion is the major source of atmospheric Cr, Hg, Mn, Sb, Se, Sn, and Tl emissions, oil combustion of Ni and V, and gasoline combustion of Pb, while nonferrous metal production is the largest source of As, Cd, Cu, In, and Zn [80].
Big Coal says that capturing and storing CO2 from these new coal plants is a slam - dunk technology — but one that's not quite ready for prime time yet (capturing CO2 from existing combustion coal plants, while possible, is expensive and cuts the electricity output of the plant by as much as 30 perceCoal says that capturing and storing CO2 from these new coal plants is a slam - dunk technology — but one that's not quite ready for prime time yet (capturing CO2 from existing combustion coal plants, while possible, is expensive and cuts the electricity output of the plant by as much as 30 percecoal plants is a slam - dunk technology — but one that's not quite ready for prime time yet (capturing CO2 from existing combustion coal plants, while possible, is expensive and cuts the electricity output of the plant by as much as 30 percecoal plants, while possible, is expensive and cuts the electricity output of the plant by as much as 30 percent).
While a great deal of the energy liberated from natural gas combustion is from formation of water by uniting hydrogen with oxygen, in coal, much of the energy liberated is from oxidation of carbon.