Paris should not lock in, unacceptably and dangerously, low ambition on mitigation and finance. Periodic upward revision of ambition based on changing circumstances should be built into the text to help close the pre–2020 emissions gap. The mechanism of ratcheting up would thus help reduce the risk of locking in irreversible emission trajectories. This mechanism should not be limited to just mitigation but should be all encompassing. It should review the respective mitigation component of INDCs and their adequacy as well as fairness in relation to others. It should also allow for the regular setting and adjusting of targets for … Continue reading Ratcheting Up Mechanism