6、ityalsoincreasescarbonemissions(碳排放).In Paris thelocalgovernmentareencouragingarchitectstodesignnewtypesofbuildingssuchasthebuilding“FlowerTower,”whichusesacoveringofbambootoactasanaturalair-conditioner.10ShanghaiShanghaiisthefastestgrowingcityonEarth.Ithasapopulat