Climate change is a cumulative problem. The warming we see now is caused by our long-term, cumulative emissions, building up over many years. Every tonne of greenhouse gases we don’t emit, starting today, will help reduce the amount of warming we’ll see. The only solution is to stop polluting as quickly (and as safely and equitably) as possible. To avoid the worst outcomes of climate change, we need to focus on the fastest ‘emergency break’ climate solutions that have an