Answer:
<em>China's <u>export-oriented industrial spasm,</u> powered largely by burning coal, has bequeathed it notoriously lethal air pollution, so much so that, according to one study, it contributes to the deaths of 1.6 million people per year (4,400 per day), or 17% of all deaths in the country.</em>
I'd say for sure "In conclusion". "Overall" might be one of them as well.
To use your example, cede does mean to go. However, "recede" means to draw back or go back. Think of an ocean. What does the tide do at certain times? It recedes!
So re- is the best answer.
