GENEVA (Reuters) - There has been no reverse in the trend of global warming and there is still consistent evidence for man-made climate change, the head of the U.N. World Meteorological Organisation (WMO) said on Monday. A slow-down in the average pace of warming at the planet's surface this century has been cited by "climate skeptics" as evidence that climate change is not happening at the potentially catastrophic rate predicted by a U.N. panel of scientists. But U.N. weather agency chief Michel Jarraud said ocean temperatures, in particular, were rising fast, and extreme weather events, forecast by climate scientists, showed...