Not sure about tectonic activity, but definitively more extreme weather events. Each 1°C increase does not mean that the whole atmosphere goes a little up unifo

Not sure about tectonic activity, but definitively more extreme weather events. Each 1°C increase does not mean that the whole atmosphere goes a little up uniformly, but that in general there's much more energy available to make stronger storms, more tornadoes, etc, and mess up with established climatic patterns. Not Global Warming, but Global Weirding.