natural gas no miracle cure for climate change
Last Updated : GMT 06:49:16
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Last Updated : GMT 06:49:16
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Natural gas no miracle cure for climate change

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Arab Today, arab today Natural gas no miracle cure for climate change

A pump jack and frac tanks stand in a field being developed
Paris - AFP

Fracking technology has driven a boom in natural gas that many hope will prompt a switch away from coal use and put the brakes on the rise in Earth-warming carbon dioxide (CO2) emissions.
But a study on Wednesday said market forces will undo many of the potential benefits from this burgeoning energy source.
Ever-cheaper prices will prompt higher energy consumption and CO2 emissions, and discourage investment in lower-emitting alternatives like nuclear, wind and solar, it said.
"The upshot is that abundant natural gas alone will not rescue us from climate change," said Haewon McJeon of the Pacific Northwest National Laboratory, a US government energy research body.
Advances in hydraulic fracturing -- pumping liquids into stone to break it up and release the gas within -- and horizontal drilling, have unlocked plentiful natural gas supplies, mainly in the United States to date.
"Global deployment of advanced natural gas production technology could double or triple the global natural gas production by 2050," said McJeon.
This could lead to CO2 emissions up to 10 percent higher by the middle of the century, instead of lowering them.
"The additional gas supply boosts its deployment, but the substitution of coal is rather limited and it might also substitute low-emission renewables and nuclear," co-author Nico Bauer of the Potsdam Institute for Climate Impact Research (PIK) in Germany said in a statement.
"The high hopes that natural gas will help reduce global warming because of technical superiority to coal turn out to be misguided because market effects are dominating.
"The main factor here is that an abundance of natural gas leads to a price drop and expansion of total primary energy supply."
Increased gas production also led to higher emissions of another potent heat-trapping greenhouse gas, methane, due to leakages from drilling and pipelines.
The findings summarise the work of five research groups in Germany, the United States, Austria, Italy and Australia, which used different computer models to forecast the effects of the gas boom.
All five, independently, found it would have little, if any, impact on climate change.
The teams had incorporated data on global energy use and production, economic trends, and the climate.
They concluded that abundant, less-expensive gas would lower energy prices across the board, leading to higher consumption, which stimulates the economy and further boosts energy use.
"Abundant gas may have a lot of benefits -- economic growth, local air pollution, energy security, and so on," said McJeon.
"There's been some hope that slowing climate change could also be one of its benefits, but that turns out not to be the case."
UN member states are negotiating a global pact on curbing greenhouse gas emissions towards meeting the UN goal to limit global warming to two degrees Celsius (3.6 degrees Fahrenheit) over pre-Industrial Revolution levels.

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