"We have now brought the planet into climatic conditions never witnessed by us or our prehistoric relatives within our genus, Homo (supplemental figure S1; CenCO2PIP Consortium et al. 2023)."

"Human-caused carbon dioxide emissions and other greenhouse gases are the primary drivers of climate change. As of 2022, global fossil fuel combustion and industrial processes account for approximately 90% of these emissions, whereas land-use change, primarily deforestation, accounts for approx 10%"