Bristol's decision to trial vinegar as a weedkiller in place of glyphosate certainly grabbed headline-writers' imaginations, writes Harriet Williams. But with a wide choice of proven chemical-free weed control strategies available, might this experiment be 'set up to fail'?
Recent riots and looting across the streets of England is a mini-tragedy of the commons, says Harriet Williams. If only some of the evironmental damage we cause everyday was as immediately visible and socially unacceptable
A hub of invention, why can't the automobile industry get a handle on low-carbon cars? The answer's in the profit margins - which is why the credit crunch offers hope for the future, says Harriet Williams