LifeDirty talk: How pollution is snuffing out plants' scent messagesPlants use a fragrant language but filthy air is messing with their communication lines, which might explain why insects are in decline and roses are losing their scentFeatures
HealthThe UK just missed a big chance to cut harmful diesel pollution Harmful fumes from diesel vehicles are a real problem in the UK but the government's attempt to tackle this toxic issue in its budget is feeble, says Tim Chatterton Comment