The Bali action plan was adopted which ultimately lead to a post-2012 international agreement on climate change.
According to the UNFCCC website:
Ground-breaking decisions were taken which form core elements of the roadmap. They include the launch of the Adaptation Fund as well as decisions on technology transfer and on reducing emissions from deforestation. These decisions represent various tracks that are essential to achieving a secure climate future.
For a full list of decisions made at Bali, including the CDM, see the UNFCCC website. One specific paragraph of interest to Africans:
Acknowledges the work undertaken in the context of the Nairobi Framework, launched
at the second session of the Conference of the Parties serving as the meeting of the Parties to the Kyoto Protocol, to catalyse the clean development mechanism in Africa;