Climate change is undoubtedly one of the biggest challenges humankind has ever faced. The bad news is this: A large share of it is our own doing. The good news is this: There is still a window of opportunity left to …x it if we act now. This is a signi…cant, global problem, but with a transition of habits and some dedicated work, there is still a window of hope. However, the clock is ticking, and we are quickly running out of time.