Paris climate conference: What you need to know
Governments from 196 nations will soon gather in Paris to discuss climate change
The current commitments on greenhouse gas emissions are not only not good enough, they also run out in 2020.
At the end of the month, global leaders will meet in Paris to attempt a new agreement about what happens for the next decade and beyond.
Johanna Wagstaffe looks at the science behind what, exactly, we need to accomplish.