Bill McKibben: The Planet’s Future Depends On Distributed Systems by Adam Taggart To environmental activist Bill McKibben, it's all about math. The planet has warmed 1 degree Celsius over the past few decades and is on track to rise another 4 to 5 before the end of the century. An increase of this magnitude is simply too much for the ecosystems we depend on to adapt to that quickly. Bill McKibben: The Planet’s Future Depends On Distributed Systems by Adam Taggart To environmental activist Bill McKibben, it's all about math. The planet has warmed 1 degree Celsius over the past few decades and is on track to rise another 4 to 5 before the end of the century. An increase of this magnitude is simply too much for the ecosystems we depend on to adapt to that quickly.