How will the Paris Agreement ambitions be fullfiled?

The Paris Agreement on climate change has set ambitious targets for reducing greenhouse gas emissions to pull back the long-term global temperature rises. But how will those ambitions be achieved? Lavanya Rajamani is a visiting environmental legal expert from the Indian Centre for Policy Research. She was a part of the UN's core drafting and advisory team at the Paris negotiations and is in Wellington as a guest of Victoria University as its Sir Frank Holmes Fellow. Professor Rajamani says the aspirational target of a 1 point 5 degrees Celsius reduction in temperature - will require developed and developing countries to differentiate their efforts for reducing emissions