evidence: So, when people talk about climate change today, they mean anthropogenic (human-made) climate change. This is the warming of Earth’s average temperature as a result of human activity, such as burning coal, oil and gas to produce energy to fuel our homes and transport, and cutting down trees to produce the food we eat. You can read more about it here: How do we know climate change is real? [...] Climate change is a global issue, and we all have a responsibility to step up to tackle the climate crisis. The problem will not be solved unless all countries put in as much effort as they can and work together. Action on climate change will need serious investment but has the potential to deliver huge benefits for nature and people. We all need to raise our voices and fight for our world! [...] Climate change is the greatest environmental challenge the world has ever faced, but we have the solutions and we know nature can fight back. We need people all over the world to take action and join the fight for our world