Campaigners opposed to fracking are writing to First Minister Carwyn Jones and Prime Minister David Cameron to highlight their worries after the Chancellor signalled his support for the industry in yesterday's Budget.
It is thought there is a substantial amount of gas under parts of South Wales, and many local people are concerned about the controversial way it is extracted.
Those representing oil and gas operators have welcomed George Osborne's comments.
Hannah Thomas has been listening to both sides of the argument.
More top news
Thrifty Martin McCaskie has been using this vintage carrier for almost half his life - saves on the 5p charge!
Two families involved in supplying drugs and money laundering in north Wales have been convicted.
More rain for Wales on the way over the next few days.