"There will be some people saying 'we can't go ahead with an agreement on climate change, it's not the biggest priority'. And, therefore, what you need is countervailing forces.
"Some of those countervailing forces come from popular mobilisation."
Yes, well... You can see the full article here.
And just in case you need any help, look here for a definition of 'countervailing.'
Don't you get tired of the way our language is so surreptitiously being infiltrated by meaningless jargon?