Some species are already on the move because of climate change, but a lot more is needed for species & ecosystems to survive.
A new study by the California Academy of Scientists attempts to estimate how fast species and ther ecosystems will have to move to keep up with climate change. On average, the team of scientists have concluded that ecosystems will have to shift at a rate of 0.42 kilometers (or about a quarter mile) per year.
There are differences across all the different ecosystems, of course. And there are human factors that will come into play as well.