Is there fear that climate change will affect the Savannas?

Whether there is fear of it or not, climate change will affect the Savannas, and not just those but the whole World will change to various degrees because the temperatures will change which will make new plants grow that didn't before, others die due to the new climate, new pests and diseases will arrive causing disturbances until the whole state of equilibrium is reached once again, which could take a long time, typically thousands or ' more typically ' tens of thousands of Years.