Optimism is not a mood. It’s a courageous choice — and some weeks, it’s harder than ever to make. Right now, as the devastation in Jamaica reminds us yet again of how climate change magnifies injustice and loss, it can feel almost impossible to hold on to hope. Yet that’s when it matters most. If we don't have hope, there is no reason to act: yet we know the science is clear that our actions matter. In this week’s Talking Climate newsletter, I’m honored to feature kindred spirit Anne Theres...