While the intense debate wasnt quite at the scale of a Hollywood blockbuster it made clear that countries must fight several key policy and political battles before they can agree to a new international climate treaty Still since the comparison of climate negotiations with movies has some tradition lets try to make some sense of what happened using film analogies

Could you correct the punctuation please?
While the intense debate wasn't quite at the scale of a Hollywood blockbuster , it made clear that countries must fight several key policy and political battles before they can agree to a new international climate treaty. Still, since the comparison of climate negotiations with movies has some tradition , let's try to make some sense of what happened using film analogies.