COP21: the best metaphors from the Paris climate talks

From 'the eyes of the world are upon us' to 'planet is a patient', here is a pick of how world leaders chose to describe the urgency for action

World leaders gathered in Paris on Monday for the crucial UN summit on climate change to negotiate a treaty to limit global warming to 2C, the widely accepted temperature threshold to avert catastrophic disasters.

But in case the landmark conference was an insufficient reason to make you aware of this, then 147 heads of state and government were present to convey the weight of history with the power of language alone.