A conference on climate change is underway in Berlin to discuss the need to cut carbon emissions by developed countries. Despite Africa contributing little carbon emissions, it has suffered the consequences.
In many parts of Germany, December been the warmest on record since scientists began tracking weather data a century ago. Climate researcher Mojib Latif comments on whether this winter offers evidence of climate change.
Climate change has come to our attention through scientific studies of rising sea levels and shrinking ice caps. Yet many still doubt it's cause. For the so-called climate sceptics, Clemens Simmer has a clear answer.