Copenhagen

Leaked Intergovernmental Panel on Climate Change report predicts a 100 exajoule increase in renewable energy capacity

Energy and climate change secretary says rise in domestic legislation can kick-start talks on an international deal

UN confirms Bangkok talks in April on top of already scheduled meetings in Bonn and Durban

UN secretary general will redirect efforts to making more immediate gains in clean energy and sustainable development

As the Cancun Summit kicks off, scientists outline the catastrophic scale of the climate change threat

Vast majority of $30bn fast-start fund going to schemes targeting emissions rather than adaptation

World Energy Outlook warns oil price spike will hit if countries fail to shift to low-carbon economy

Think-tank suggests that richer nations should provide upfront cash if environmental targets are to be met

Taxes on foreign exchange transactions, carbon allowances, aviation and shipping are mooted suggestions in leaked report by UN advisers

Countries split on how to share profits derived from rainforests, but delegates remain hopeful international ecosystems deal can be struck