RTCC: Going into the Lima talks there was a great sense of optimism buoyed by the successful climate change summit held by the UN secretary general in September and with the many hundreds of thousands of marchers in New York and many other cities around the world.
This was followed closely with the historic agreement by President Obama and President Xi that the United States of America and China, the two biggest polluting countries, will act together to tackle their respective emissions.
This positive...