Chinese Scientists Find CO2 Better for Fracking than Water

Chinese scientists have discovered that carbon dioxide is more efficient to use in fracking than water. Fracking is the controversial process in which water or other fluids are injected into underground rocks at high pressure to release oil and natural gas deposits.  U.S. environmentalists have denounced the process because of the huge amounts of water needed, the contamination of underground water supplies, and small earthquakes it triggers. In a new report in the journal...

© La Voix de l'Amérique - jeudi 30 mai 2019