Copenhagen

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

Frantic round of diplomacy aims to get developing countries back on board ahead of crucial Cancun summit

Diplomats gathering in Bonn told that pledged emission targets fall well short of that required to stabilise temperatures