The iconic mermaid in Copenhagen's harbour is outraged at the role played by corporate lobbies.

Corporations are being accused of pushing for a weak agreement on climate change.

Their critics accuse them of pushing for measures such as offset credits at the expense of quickly reducing emissions directly.

Civil society organizations including Care Denmark and Friends of the Earth. The environmental organizations have launched a campaign to expose corporations they say are trying to mask their contribution to global warming with green corporate social responsibility programmes.

Joshua Kyalimpa reports from Copenhagen.