c5dc810d_y_Viewer___Climate_Viewer_News__Command
[Windows/Linux Keystroke(s)] u [Mac Keystroke(s)] u [Result] Resets angle to view scene in “top-down” or “‘u‘p” mode. [Command] 
Reset tilt to “top-down” view
Climate Viewer 3D Tutorial: Using the Google Earth Climate Change, Pollution, and Privacy Viewer | Climate Viewer News
Command