Kyoto

Reuters report that cluster of Eastern European states could ditch extended Kyoto Protocol in protest at emissions caps

Summit closes with agreements on climate aid, Kyoto Protocol and procedure, but green groups unhappy with "polluter's charter"

But COP18 talks likely to continue into tomorrow as negotiators attempt to tie together key strands

Agreements in the balance on Kyoto Protocol and climate aid, but nations express willingness to engage

New paper by leading economist says action will be required from emerging economies even if rich countries produce zero emissions by 2030

Poorer countries issue formal call for a strengthening of the proposed second Kyoto commitment period, as US reiterates commitment to UN talks

Emissions trading body argues that encouraging countries to participate in Clean Development Mechanism would help reduce glut of credits

BusinessGreen previews COP 18 as talks kick off in Doha this week

Much criticised carbon trading scheme has delivered $215bn of investment in emission-cutting projects since 2006

BusinessGreen keeps you up-to-date with all the news and analysis from the UN's annual climate change talks