evidence: Human-induced climate change is something that has been happening for many years and Western countries, like the UK, have played a big role in contributing to carbon emissions over the past 200 years. This means that only looking at who the biggest emitters of greenhouse gases are today is an oversimplification of a very nuanced topic. [...] Let’s be clear, CO2 itself does not cause problems. It's part of the natural global ecosystem. The problem is the quantity of CO2 that’s being produced by us as humans; there hasn’t been this level of CO2 in the atmosphere for thee million years.[2] [...] We’re already seeing the devastating effects of climate change on global food supplies, migration, conflict, disease and global instability, which will only get worse if we don’t act now. Human-made climate change is the biggest crisis of our time. It threatens the future of the planet that we depend on for our survival and we're the last generation that can do something about it.