This year’s Rio+20 summit presents an opportunity for the private sector to make its mark on the sustainable development agenda. But will business seize the day? Christopher Cundy reports

Chris Cundy reports on what the Durban climate talks mean for a market in REDD+ carbon credits

Durban may have kept the climate talks on track, but with no additional demand for carbon credits, the CDM is on life-support. Mark Nicholls reports

If 2010’s Cancún climate talks brought the UN negotiations back from the brink, December’s Durban meeting put them back on track, goes the consensus. But how much closer does the Durban Platform bring us to a comprehensive climate treaty – and does it matter? Mark Nicholls reports

After a dismal outcome in Copenhagen two years ago, the UN climate process was dismissed as irrelevant by many observers. But new life was breathed into the process in Durban – can what happens next live up to the promise? Katie Kouchakji reports

With UN talks in Copenhagen just weeks away, a post-2012 climate change agreement is still hanging in the balance. Katie Kouchakji reports

As Copenhagen draws nearer, voices saying it will fail are growing louder. Environmental Finance asks eight leading experts how they would define success in Denmark, and how to achieve it