"A bit of mining, a bit of fracking here, a bit of fracking there ... it all chips away at the reputation."
But Mr Watts said he was also interested to hear more about why locals backed the mine, and the importance of the industry to the West Coast.
Forest and Bird spokeswoman Nicola Vallance said until now overseas coverage of the Denniston plan had been limited to Australian media reports on Bathurst's share price.
"The good thing is we are getting that international perspective on who we say we are to the rest of the world, and whether we stack up. It's a precipice New Zealand is hanging on."
More than 200,000 British people read the Guardian newspaper. In April 2011, Media Week reported it had the fifth most popular newspaper website in the world.