New Scientist: The politicians just don’t seem to get the seriousness of the global warming crisis. Scientists attending the recent UN climate conference in Poznan, Poland, complained that the gap between political rhetoric and scientific reality on climate change is growing. “It doesn’t matter what the politicians promise,” said French climate scientist Philippe Ciais. “Even if we stop emissions growing today, the world will still warm by 2°C — a lot more in some places. It is too late to prevent …