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自2003年以来,煤炭消耗量增加了9倍的速度比40 x比风能和太阳能

Some of us like to think that the energy needs of the future will be supplied by clean and renewable energy sources, but a recent report released by the Manhattan Institute for Policy Research leads us through the mist and shows a cruel reality: coal, the dominant energy source in the world today, will continue to be the prime fuel of choice up until the next 25 years at least。 If there’;s anything we’;ve learned since Thomas Edison used coal in the first central power station on Manhattan’s Pearl Street in 1882 and from contemporary state of affairs –; a general consensus that climate change is real and must be avoided, yet nothing actionable is undertaken –; then coal, in all likelihood, will remain the main energy supplier for the next 50 years as well。

Credit: Flickr user  mendhak

Credit: Flickr user mendhak

Coal use since 2003 has grown nine times faster than the growth seen in wind-energy consumption and 40 times that of solar energy

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ZME Science often reports the most recent developments in renewable energy technology and policy。 We don’;t hide the fact that we have a bias towards renewable energy, for solid reasons, we like to think。 Yes, it’;s not the cheapest energy source (coal takes the mark, and we’;ll get back to our crown prince shortly), but if you add the costs of global warming (health hazards, drought, floods etc。) then switching is also economically viable in the long run。 Some countries know to take a hint。 Germany already meets half of its energy needs using solar, and Denmark wants to phase out coal completely from its energy picture by 2025。

coalIn  2013, global wind-energy output was up 21 percent, while solar grew even faster, up by 33 percent last year。 It may seem like we’;re on the right track, yet worldwide the two (solar+wind) barely account for ~1。5% of total energy production, while demand is rising faster than non-hydro renewable installation can keep up。 It’;s all a pipe dream, it may seem, and the Manhattan Institute report is one hell of a cold, acid-water shower。

Since 1973, coal consumption has grown faster than any other form of energy。 Yes, this pattern has lost its acceleration slightly in the past few years, with 2013 seeing its lowest growth yet –; only 3%。 In absolute numbers, though, this means coal use rose by about 50 percent more than the growth in petroleum and nearly three times the growth seen in natural gas –; and we’;re talking about other fossil fuels here。 Concerning non-hydro renewables, coal use since 2003 has grown  nine times faster than the growth seen in wind-energy consumption and 40 times that of solar energy。 The report reads:

“;Coal, which now accounts for about 40 percent of all global electricity production, will likely maintain its dominant role for decades to come。 Electricity-poor countries, along with those that are electricity-rich, are currently building hundreds of gigawatts of new coal-fired electricity-generation capacity。 The nine countries discussed in this paper—China, Germany, India, Indonesia, Japan, Pakistan, Poland, Russia, and South Korea—are planning to build about 550 gigawatts of new coal-fired capacity over the next two and a half decades。 The vast majority of that, some 400 gigawatts, is planned for China。 Given the coal industry’s recent history and the ongoing surge in global coal use, there is little reason to believe that any of the much-discussed international efforts to impose a cap or tax on carbon-dioxide emissions will prevail。 Furthermore, given the ongoing increase in global coal use—along with the fact that the U。S。 has more coal resources than any other country—it makes no sense for U。S。 policymakers to restrict the use of coal in America。”;

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本文源自: 环亚娱乐游戏

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