The UN Climate Summit brought together a hundred Heads of Governments, alongside the financial world, business and civil societies to give new momentum to the search for answers to the challenges posed by climate change.

Need for Action on Greenhouse Gases Backed by Scientific Evidence
Geneva, 19 September 2014 (WMO)
There is still a window of opportunity to prevent dangerous climate change and preserve the planet for future generations. But it is closing fast, according to the World Meteorological Organization (WMO), which says that the urgent need to cut greenhouse gases is based on overwhelming scientific evidence.