List View; Added a totals column on the right side of table that displays a total for the row.  The header for this column has the following hover tip "Total reported emissions".
Sector Bar; Added an 'Apply' button to the sector toolbar across the bottom.  This button performs a refresh of the data based on currently selected sectors and parameters.  This replaces the auto-refresh that was being performed on each selection or deselection of a sector.
Landing Page; Added an 'x' to the upper right hand corner of the landing page that dismisses this screen and presents the map view.