A decade after its launch, the international effort against global climate change enters a critical new phase. With the ratification of the Kyoto Protocol by Russia, this landmark agreement will now enter into force. Kyoto's coming of age is a major diplomatic accomplishment: a strong declaration of multilateral will to confront a quintessentially global challenge. But against that challenge, Kyoto is but a first step.
For a quick reference and comparison, we compiled international, national, and state emissions targets .
United Nations Framework Convention on Climate Change