Climate Change revealed earlier

Scientists were starting to worry about climate change in the 1970s already...

Yep.
Climate change was recognized as a serious problem by the First World Climate Conference in 1979.*This scientific gathering explored how climate change might affect human activities. It issued a declaration calling on the world's governments "to foresee and prevent potential man-made changes in climate that might be adverse to the well-being of humanity". It also endorsed plans to establish a World Climate Programme (WCP) under the joint responsibility of the World Meteorological Organization (WMO), the United Nations Environment Programme (UNEP), and the International Council of Scientific Unions (ICSU).
http://unfccc.int/cop3/fccc/climate/fact17.htm

Note that conferences like that aren't just put together on a lark.
 
Top