Telegraph: The study, carried out in unprecedented detail, projected that without “rapid and massive action” temperatures worldwide will increase by as much as 7.4C (13.3F) by 2100, from levels seen in 2000. Previous estimates have concluded that the likely increase this century would probably be 2.4C (4.3F). However the new study by scientists at the prestigious Massachusetts Institute of Technology included projected economic growth in developing countries and new information on the …