source: New countries joining the EU have been operating with low environmental protection standards. it is not reasonable to expect them to bring their standards up to scratch quickly because of their (often damaged by bad government) poor infrastructures. # So the figures may get worse before they get better.
target: New countries joining the EU have been operating with low environmental protection standards. it is not reasonable to expect them to bring their standards up to scratch quickly because of their (often damaged by bad government) poor infrastructures. And since If new countries with low standars join the union, the figures of the pollution will gel worse. So the figures may get worse before they get better.