Tipping point means,,, when earth gets hotter by 1.5 degree, no matters what we do, even we reduce 100 percent of the carbon releases..., earth itself will make earth hotter and hotter by melting permafrost in Alaska and Siberia, releasing more carbon n butane as they melts, and same loop with forests 🔥 fire Carbon dioxide and methane are released into the atmosphere as permafrost melts.