- 'I tend to keep going until significant change has come, or until I cannot do it anymore,' says Rob LONDON A solo campaigner in his 70s, has been protesting in central London since 2019 to put the spotlight on plastic pollution and demand more respect for the environment. Plastic pollution, one of the most dangerous environmental problems, poses significant risks to nature and people as UN data suggests that every day, the equivalent of 2,000 garbage trucks full of plastic are dumped into