JAN MOIR: Greta Thunberg could teach our royal eco-hypocrites a thing or two
[ad_1] Many scorn teenage environmental campaigner Greta Thunberg, but she has won me over completely. This week, the 16-year-old set off from the UK on a 3,000-mile voyage to New York, where she will address the United Nations at a Climate Action Summit. In some respects, it is gesture activism of the worst sort, making…