If you think that Shell are not acting within the law or are making up their own laws you can phone or meet your solicitor this morning and take out a high court injunction requesting that all works be stopped immediately. http://www.mlaw.ie/news/injunctions-an-outline
Also feel free to set up an oil and gas exploration company to sell oil and gas to the Irish state at cost. Just raise around 2 billion for speculation and exploration costs. (A seismic survey ship costs $1,000,000 per,day). The Irish Government or any other Government cannot afford to do so as the successful strike rate is 1 in 20 approximately and is not in the gambling.
In the meantime you do not want any natural resourses touched as yoi sit in your tee pee on a bog watching the contrails of jet planes taking our greatest asset abroad to work in mines and oil fields from Canada to Australia.
Remember "electronic blips" in you bank account pay for your roll ups' hemp shorts and lentils.
You cannot eat scenery (and no Exxon Mobil are not planning to drill in Killarney National Park before you get your dreadlocks trapped in the toaster)
Let us know how you get on in the High Court and Building Control Mayo County Council.
I worked in Silvermines after the lead zinc mine closed.The amount of pollution in the tailings is considerable including cyanide used to extract the silver.They believe about 30% lead zinc remains perhaps it can be extracted in the future.