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.
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A warm and pleasant evening for many. Clear and cool overnight.
Continuing to be a fine and dry day across the country with lengthy sunny spells.
Leicester midfielder Andy King believes Wales can defy the odds at Euro 2016.