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G7 climate vision requires gargantuan economic shift

President Barack Obama at Schloss Elmau hotel near Garmisch Partenkirchen, Germany, Monday, June 8, 2015, during the G 7 summit. (Michael Kappeler/Pool Photo cheap nhl jerseys china via AP)STOCKHOLM (AP) When leaders of the Group of Seven wealthy countries pledge to “decarbonize” the global economy, they’re talking about a shift so dramatic that one analyst described it as a new Apollo mission.

Like putting a man on the moon, it would require overcoming major hurdles related to technology and money and the political will so far in short supply to make it happen.

Despite gains by renewable energy wholesale jerseys sources in recent years, the world is still hooked on fossil fuels that are powering our homes and businesses and fueling our cars, trucks, airplanes and ships.

The resulting release of heat trapping carbon dioxide into the atmosphere keeps rising, primarily because of fast growth in China, India and other emerging economies. CO2 emissions from fossil fuels now exceed 30 billion tons a year, according to the International Energy Agency.

What President Barack Obama and other G 7 leaders envisioned in Germany on Monday is a world where those emissions would be phased out by the end of the century.

“We have to be honest: coal is a very, very cheap energy carrier.

Putting a price on carbon is highly contentious politically in many countries. Senate turned down such a proposal in 2010. Australia’s current government repealed a carbon tax introduced by the previous government.

Making renewables that depend on the weather such as wind and solar power more competitive would also require technological advances, wholesale jerseys china primarily how to store energy more efficiently.

Decarbonizing the transportation sector is even more complicated. There are of course already vehicles running on electricity or biofuels. But fuels made from oil still dominate wholesale nba jerseys and it will probably be a long time before they can be substituted at a large scale in aviation and shipping, though experiments with biofuels and even solar power are underway.

Also, replacing fossil fuels to generate the intense heat required for some industrial processes like steel production isn’t likely to happen anytime soon.

That’s why many scientists and economists say demands by some environmental activists for a complete phase out of fossil fuels are unrealistic. Instead, they say the fight against climate change will have to include efforts to capture CO2 emissions from fossil fuels and bury them deep underground where they don’t affect the climate. climate science panel projected last year that such technologies, which already exist at a small scale, may have to be applied to achieve negative emissions in the future, because the world isn’t expected to bring down its emissions fast enough in the near term. That could entail, for example, using biofuels for power generation and then capturing their emissions.

But even that is not without problems: large scale biofuel crops could end up replacing food crops or threatening biodiversity.

“It does mean in practice an enormous shift from a fossil fuel based energy system to near zero carbon energy sources. It’s a big deal,” he said. “Not unlike the Apollo mission.”Articles Connexes:

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