The scientific community agrees: Climate change is real, it’s driven by human activity, and it’s getting worse. Californians understand this better than most. Having just emerged from a record-breaking drought, likely exacerbated by climate change, we are acutely attuned to the perils of a warming planet. Ratification of the Paris Climate Agreement offered California a basis for hope. The U.S. was finally acknowledging that climate change is a global problem that demands a global solution. Nearly 200 nations signed on to the Paris Agreement, pledging to reduce greenhouse gas emissions and fight climate change on a global scale.