Many of these things are due to invasive species introduced by humans such as kelp forests being killed by sea urchins. Desertification has to do with capitalism and farmers racing to the bottom depleting the soil of nutrients - just like the Dust Bowl during the Great Depression wasn’t caused by global warming. Desertification has been going on for 40 years now
https://www.freethink.com/energy/desertification-desert-gree...
This is exactly what I’m talking about — we should be focusing on solving these issues without waiting for the climate change to reverse!