Animal welfare campaigners are urging EU leaders to seek new approaches to exploding rat populations, as growing resistance to traditional poisons leads to the use of ever more toxic chemicals. The pesky rodents are estimated to number around seven million in Rome, between three and six million in Paris, and nearly two million in Brussels….

London, San Francisco and Beijing are among 19 global cities that have achieved “remarkable reductions” in air pollution, analysis has found, having slashed levels of two airway-aggravating pollutants by more than 20% since 2010. The analysis found interventions such as cycle lanes, uptake of electric cars and restrictions on polluting vehicles had helped to drive…

A change has come to the Iranian government. While airpower alone is unlikely to take down the regime, it will never be the same again. Over the past few decades, theocrats have steadily weakened the republican elements of the government, but the theocrats themselves have been surpassed by the Islamic…