Binder needs a link to the root, like so: https://mybinder.org/v2/gh/jessalfredsen/notebooks.git/master?filepath=Open%20trees%20in%20Copenhagen.ipynb https://my

Binder needs a link to the root, like so: https://mybinder.org/v2/gh/jessalfredsen/notebooks.git/master?filepath=Open%20trees%20in%20Copenhagen.ipynb https://mybinder.org/v2/gh/jessalfredsen/notebooks.git/maste... The link to the started notebook is not persistent :)