They expressed concern at the negotiating positions and strategy of the US. Quoting Obama during his election that “Few challenges facing America – and the world – are more urgent than combating climate change,” and that “once I take office, you can be sure that the United States will once again engage vigorously in these negotiations, and help lead the world toward a new era of global cooperation on climate change.” Now the US is a major obstacle to progress, because of the positions on (…)