"What kind of hope do we have? The Paris Agreement is important because it deals with great suffering that has overtaken the world. As Pope Francis indicates, the planet is beginning to look like "a polluted wasteland" and now creatures and people, often the poor, are bearing the consequences."

Exactly!  People like Trump look upon the world as a resource to be exploited to make a quick buck.  The rest of us know that the world is our home and that we need to protect it from the ignorant and greedy who would destroy it.