Meet Jack Harries (@jackharries), a documentary filmmaker who educates people about the effects of climate change. ?I fundamentally believe in humanity,? says Jack. ?In less than one human lifetime, we can get ourselves out of this. I have hope.? ? ? Learn more about Jack?s life and work in this week?s episode of #Advocates, our series that highlights people around the world who are sparking positive change in their communities. ? Photo of @jackharries by @aliceaedy