Climate change and Harvey: your questions answered

At least 14 people have died and tens of thousands evacuated as Houston continues to be battered by catastrophic rainfall. Can we decode the disaster?Tropical storm Harvey – live updates
A tropical storm that is on course to break the US record for the heaviest rainfall from a tropical system. Meteorologists say the 120cm-mark set in 1978 could be surpassed on Tuesday or Wednesday. Continue reading...