California regulators are expected to release new fracking regulations by the end of the year. Most fracking rules come under state jurisdiction, and different states have different approaches.
A rigorous study shows that fracking is unharmful when the stakes are high. Not much should be made of it.
In 2009, U.S. Secretary of the Department of Energy Steven Chu dismissed zero-emission hydrogen fuel cell vehicles as an impractical alternative to electric cars. Now an abundant supply of natural gas, from which hydrogen can be extracted, is changing Chu's mind, but that natural gas comes from the controversial hydraulic fracturing process.