Climate change is the long-term shift in the Earth's average temperatures and weather conditions. The world has been warming ...

For a long time, many climate scientists and advocates held onto an optimistic belief: when the impacts of global warming became undeniable, people and governments would finally act decisively.

Forbes contributors publish independent expert analyses and insights. An award-winning writer/podcaster, I've been to 100+ countries. How we travel matters to our planet. Ever since leading a ...