There's a lot of discussion about tipping points in relation to environmental issues and climate change is no exception. Most were assumed to be sometime in the (near) future, but it appears as if we're starting to see them being reached already.

This new video from Yale's Climate Connections website shows how glacial melting in Antarctica has already started and that there's nothing that we can do to stop it. This will not only lead to sea level rise, but will irreversibly change the topography of Antarctica.