In a separate development, environmental health officers from Dungannon Council are investigating the illegal dumping of tonnes of material in County Tyrone.

BBC: Clubs open despite disease appeal

It was a chance visit (prompted by her errant dog, Xena) to an illegal dumping ground by the Bronx River that proved to be Carter's environmental tipping point.

CNN: Blazing a green trail through the Bronx

Climate change is a tough case because it covers two distinct forms of behaviour: legal v illegal (dumping toxic waste, killing whales) and ethical v unethical (not wasting food or energy).

ECONOMIST: Charlemagne