11 Dec 1997 COP3 adopts the Kyoto Protocol to the UN framework convention on climate change in Kyoto, Japan
16 Mar 1998 Kyoto Protocol opened for signature at UN headquarters in New York. Receives 84 signatures in a year
14 Nov 1998 COP4 adopts the ‘Buenos Aires plan of action’ to strengthen the Convention and prepare for Protocol enforcement
13-24 Nov 2000 COP6 meets in The Hague, the Netherlands, to take key decisions on the convention and the protocol. Talks break down..
23 July 2001 COP6a Global warming accord reached at Bonn by more than 180 countries. US notable by its absence
Years of wrangling ended in angry exchanges at the Hague and then things got worse...