It also releases methane, a potent greenhouse gas that is 28 times more efficient at trapping heat in the atmosphere than CO2. Fracking may also lead to earthquakes. The disposal of wastewater ...

Carbon Capture and Sequestration (CCS) is a process which captures carbon dioxide from industry emissions and injects the CO2 ...

Fracking has been blamed for leaking millions of tons of methane, a greenhouse gas that's more potent than carbon dioxide. Fracking is also associated with other airborne hydrocarbons that can ...

But in past interviews, Phillips has said using carbon dioxide rather than water for fracking could have environmental benefits. Hydraulic fracturing involves pumping huge volumes of water ...