World might be heading towards Ice Age 23 Apr, 2008, 1327 hrs IST, ANI CANBERRA: Scientists have warned that the world might once again be heading towards an Ice Age, with global warming approaching a possible end. Evidence in support of this theory has come from pictures obtained from the US Solar and Heliospheric Observatory, which showed no spots on the sun, thus determining that sunspot activity has not resumed after hitting an 11-year low in March last year. A sunspot is a region on the sun that is cooler than the rest and appears dark. Some scientists believe a...