A taron na yini biyar mahalarta daga ƙasashe daban-daban sun tattauna akan sabon rahoto akan matsalar canjin yanayi, ko da yake wasu ƙasashen sun nuna rashin amincewa da ci-gaban da aka samu a tattaunawar da aka yi a watan Disamba bara a birnin Copenhagen na ƙasar Denmak.
