Perception, attitude and behavior in relation to climate change: a survey among CDC health professionals in Shanxi province, China.

•Global climate change has significant impacts on human wellbeing and health.•Health professionals play a significant role in improving the health of local citizens in China.•Perceptions of CDC staff on climate change are useful for policy making.•There are gaps between perceptions and actions among these health professionals in China.•Further efforts need to raise awareness of climate change and promote relevant actions.