Reuters: The world is on track for its hottest year on record and levels of carbon dioxide have reached new highs, further fuelling global warming, the World Meteorological Organization (WMO) said on Thursday. June marked the 14th straight month of record heat for land and oceans, the United Nations agency said. It called for speedy implementation of a pact reached last December to limit climate change by shifting from fossil fuels to green energy by 2100. A strong El Nino weather event in the Pacific Ocean,...