NEW YORK, May 27 (IPS) – The past few weeks brought a burst of optimism on the climate front. It began on April 18 with the US-China announcement on climate cooperation. This was followed in quick succession by the EU Parliament’s vote to cut emissions 55% by 2030, the UK’s promise of a 78% cut by 2035, Japan nearly doubling their commitment from 26% to 46% based on 2013 levels and US President Biden’s pledge of a 50-52% reduction, also by 2030 (compared with 2005 levels).