Place-marker colors correspond to the amount of carbon-dioxide emissions associated with the energy use of an individual home or the median value across a zip-code or state.
You can change the amounts corresponding to each color by clicking the "+" or "-" symbols.
Buttons
Defaults = Resets the Scale to Map Defaults and Re-renders the map to these values.
Re-render using New Scale Values = Re-renders the map using new scale values.