Fixing green or black screen issues
This article explains:
How to avoid seeing a green or black screen by configuring your browser to accept cookies.
If you're using Google Earth on the Mac and encountering a green or black screen, your Mac web browser may be blocking cookies. To resolve the problem, you'll need to allow your Mac web browser to accept cookies from the site:
To allow cookies in Chrome, see the Chrome help article on how to manage your cookies and site data. To allow cookies in other browsers, please refer to the instructions in your browser's help center.