ClimateWire: China may have emerged from the climate change summit in Copenhagen, Denmark, last December as a target for recrimination over targets, timetables and historic and future responsibilities, but back home the picture is somewhat different. Foreign nongovernmental organizations and even home-grown civil society groups have had a notoriously difficult relationship with Chinese authorities. For example, Chinese colleges were ordered in February to sever all ties with Oxfam, which was …