Rapid intensification of Hurricane Francine is a sign of a hotter world

The storm's winds increased 35mph in 24 hours - something that global heating is only making more common Hurricane Francine may now be weakening after pummeling Louisiana but the storm's rapid and surprise intensification into a category 2 storm is one that scientists say is only getting more common due to global heating. Francine crunched into Terrebonne parish, in southern Louisiana, on Wednesday, bringing sustained winds of about 100mph (160km/h) as it came ashore from the Gulf of Mexico, cau...