China must commit to deeper emissions cuts: UN advisor
Updated
One of the world's leading international economists says it's time all nations, including China, commit to reducing emissions faster.
Presenter: Karon Snowdon
Speakers: Professor Jeffrey Sachs, Director of the Earth Institute at Columbia University and special advisor to UN Secretary General Ban Ki-moon; Australia's Prime Minister Kevin Rudd; China's Ambassador to Australia, Zhang Junsai.







