This and other key changes to US laws led to the widespread, largely unregulated fracking industry we live with today.
Scotland's moratorium will be in place until there's a full public debate, and the UK compromised with a set of strict regulations.
The goals of cutting emissions 45% are great, but measures only cover new, not existing systems that are causing the problem.
Project cancellations keep adding up the lower oil prices go, including plans to frack in the Arctic and in the Gulf of Mexico.
Conservative Denton, Texas succeeded in banning fracking, as did Athens, Ohio and two California counties.
The US Energy Information Administration wildly overestimated how much gas can be recovered by fracking in California.
A consortium of states are now looking into this connection; Ohio issued the first regulations.
Good start, but farmers, food businesses and 200,000 citizens want fracking banned across California.
An industry task force says it can capture 85% of natural gas in two years.
Methane emissions are five times higher where oil and gas drilling is concentrated, calling into question the use of natural gas as a bridge fuel.