An internationally renowned health academic is to argue for a cessation of the unconventional gas and fracking industry until risks to public health and environment can be proven not to occur.

Religious leaders are uniting to warn about the dangers of fracking ahead of a public forum to be held next week at St George’s Cathedral, Perth.

A local producer is warning about the dangers posed to food security and tourism by fracking as the industry prepares to roll-out operations across the state, including the Swan Valley.