Michel Jarraud: Global warming proof undeniable

The observed increase in global surface temperatures is unequivocal and a clear manifestation of global warming.

That conclusion comes in particular from 150 years of data collected by the 188 members of the World Meteorological Organisation through observing networks of tens of thousands of stations on land, at sea, in the air and from constellations of weather and climate satellites.

Michel Jarraud, Secretary-General of the World Meteorological Organisation in Geneva, responds to a recent article by Chris de Freitas questioning global warming.

New Zealand Herald