HealthCampaigners troubled by WHO delay of tougher air pollution guidelines The World Health Organization has postponed the publication of new guidelines on lower limits for air pollution that are expected to influence how governments act on toxic air News
TechnologyElectric cars' best ever year is a tipping point for green transport More electric cars were sold last year than in the previous decade. Fossil fuel-powered cars are not yet consigned to the scrapheap, but they are travelling fast down a one-way road towards it, says Adam Vaughan Comment