bbc: In little more than six months' time representatives of almost 200 countries will sit down in Paris to thrash out a deal on climate change.
The momentum is building, with environmentalists, politicians and scientists all keen to avoid what one called a "Copenhagen 2 scenario".
Behind the headlines there appears to be an effort to manage expectations.
And a whole new lexicon is building around the talks at the end of the year.
Take INDCs - Intended Nationally Determined Contributions....