Back in 2021, the United Nations' Intergovernmental Panel on Climate Change (IPCC) report warned the world that we're headed for a climate catastrophe. The floods, fires and other extreme weather events that have devastated many parts of the planet recently are only set to become more frequent at the hands of human-induced climate change. The 2023 report echoes those sentiments, urging "effective and equitable climate action" that will "reduce losses and damages for nature and people". From farming to deforestation, fast fashion and food waste, here are the biggest ways that human beings are killing the planet.