World leaders rally together on climate change
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World leaders meeting in Paris, France have been told they need to wake up to the severity of the dangers brought about by climate change.
Around 150 heads of state and government have gathered at the UN Climate Change conference in the hope of agreeing a deal which will, amongst other goals, keep global temperature rises to below two degrees Celsius.
Cristina Silveiro is in Paris and has sent this report.
Duration: 3'07"