Search results
Results from the WOW.Com Content Network
Environmental impact of fracking in the United States has been an issue of public concern, and includes the contamination of ground and surface water, methane emissions, [1] air pollution, migration of gases and fracking chemicals and radionuclides to the surface, the potential mishandling of solid waste, drill cuttings, increased seismicity and associated effects on human and ecosystem health.
Research has determined that fracking negatively affects human health and drives climate change. [2] [3] [4] Fracking fluids include proppants and other substances, which include chemicals known to be toxic, as well as unknown chemicals that may be toxic. [5] In the United States, such additives may be treated as trade secrets by companies who ...
Environmental Protection Agency illustration of the water cycle of hydraulic fracturing. Fracking in the United States began in 1949. [1] According to the Department of Energy (DOE), by 2013 at least two million oil and gas wells in the US had been hydraulically fractured, and that of new wells being drilled, up to 95% are hydraulically fractured.
Sinkholes typically form so slowly they escape notice until a collapse, according to the agency. The USGS says things like groundwater pumping and some construction and development practices can ...
Sinkhole vs. mine collapse. According to the U.S. Geological Survey, sinkholes are land depressions that result in the ground collapsing and forming a hole.. Rainwater is the main cause of ...
Conspiracy advocates and 2012 doomsdayers just got more fodder for their predictions with an unusual 4.0 earthquake shaking Ohio this past weekend. The earthquake itself isn't what's raising ...
The oil and gas industry supports the idea that states should control the regulatory specificities of fracking. [51] Some contend that these exemptions are carefully analyzed. A 2004 EPA study concluded that fracking injection in coalbed methane wells "posed little or no threat to drinking water;" the study has since been contraverted.
According to the company this method of extraction, which uses supercritical CO2 instead of water, would be carbon negative and does not share the same risks as hydraulic fracturing, or fracking.