Discrimination on Several Key Issues of Global Climate Change
On the basis of global climate change facts and the analysis of the national climate change action,identification of a few key issues and debate of different points of view of the current scientific understanding of global climate change and actions has been made.It is pointed that: ①as a start point,the relative reliable and certain scientific facts,as well as the principles of the common but different duty should be taken in order to response to climate change;②the magnitude of global warming has been overestimated;③over the past century warming is mainly due to human activities is lack of scientific evidence;④effects of global warming pros and cons need a concrete analysis of specific problems;⑤climate predictions does not equal weather forecasting and their uncertainty is very large;⑥the current action to address global warming should be taken to adapt the main mitigation supplement strategy.