c5dc810d_y_Viewer___Climate_Viewer_News__Command
[Windows/Linux Keystroke(s)] Scroll wheel, – key (both keyboard and numpad), PgDn key [Mac Keystroke(s)] Scroll wheel, – key (both keyboard and numpad) [Result] Zooms the viewer out. Tip: to use the ‘Page Down’ key, make sure ‘Num Lock’ on your keyboard is off. [Command] 
Zoom out
Climate Viewer 3D Tutorial: Using the Google Earth Climate Change, Pollution, and Privacy Viewer | Climate Viewer News
Command