Malcolm Turnbull pledges $1bn to help tackle climate change – video

The prime minister, Malcolm Turnbull, tells the UN summit on climate change in Paris on Monday that Australia is "inspired and energised" in the face of the challenges posed by global warming and rising sea levels. Pledging to ratify the second commitment period of the Kyoto protocol, which is said to be a largely symbolic move, Turnbull also says 'innovation and technology' are the ultimate answer to climate change