Greenpeace and boatmen from Allahabad hold a banner demonstration against climate change. The activity is held during the iconic Kumbh Mela, a legendary festival on the banks of the River Ganges. At the same time, the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment report on climate change is being released in Paris. The Gangotri glacier, a main water source of the Ganga, is receding at an alarming rate of 34 meters per year and the volume of water discharged into the river is reducing dangerously. The impact of climate change on the River Ganges, which sustains over 500 million people, is significant.