c5dc810d_y_Viewer___Climate_Viewer_News__Command
[Windows/Linux Keystroke(s)] Shift + left mouse button + drag down, Shift + down arrow [Mac Keystroke(s)] Shift + down arrow [Result] Tilts the viewer toward “horizon” view. [Command] 
Tilt up
Climate Viewer 3D Tutorial: Using the Google Earth Climate Change, Pollution, and Privacy Viewer | Climate Viewer News
Command