Yesterday’s Joint Contact Group on the 2013-2015 review saw Saudi Arabia–supported by its shadows Oman and China, attempt to block clear conclusions from ADP and COP’s two years of excellent work on the long-term goal. Worse, those countries are trying to prevent progress towards a COP decision on strengthening the limit for acceptable warming, which has its foundations in the robust climate science contained in the Structured Expert Dialogue (SED). The SED found that the previously accepted ‘guardrail’ opinion, that 2°C of warming is safe, is inadequate. Now we know that the line of defence must be set lower. Yesterday, … Continue reading 1.5: Possible Ambitious Required International Success