[GhettoComputers]

It is easy to do carbon studies on trees, but not on grasslands and other carbon sinks. The carbon content of the world will not be the destroyer as much as the effect of human nature, the world has been very different at different times, but extinction isn't likely.

To screw up the oceans, there must be a standard, but there isn't. There are many problems such as lower native populations, corals, invasive species, stronger weather patterns, microplastics, but I am not sure what it is to "screw up the oceans".