The encyclical letter Laudato Si is available here on the Vatican website. Pope Francis states the honest perspective of the Church: honesty and discernment, not imposition. Above all, the common good.
188. There are certain environmental issues where it is not easy to achieve a broad consensus. Here I would state once more that the Church does not presume to settle scientific questions or to replace politics. But I am concerned to encourage an honest and open debate so that particular interests or ideologies will not prejudice the common good.