old_contents: /**
   * The Pantropical layer module for use on canvas.
   *
   * @return PantropicalLayer class (extends CartoDBLayerClass)
   */
  define([
    'abstract/layer/ImageMaptypeLayerClass',
  ], function(ImageMaptypeLayerClass) {
  
    'use strict';
  
    var PantropicalLayer = ImageMaptypeLayerClass.extend({
  
      options: {
        urlTemplate: window.gfw.config.GFW_API_HOST + '/gee/masked_forest_carbon{/z}{/x}{/y}.png'
      }
  
    });
  
    return PantropicalLayer;
  
  });
  
new_contents: /**
   * The Pantropical layer module for use on canvas.
   *
   * @return PantropicalLayer class (extends CartoDBLayerClass)
   */
  define([
    'abstract/layer/ImageMaptypeLayerClass',
  ], function(ImageMaptypeLayerClass) {
  
    'use strict';
  
    var PantropicalLayer = ImageMaptypeLayerClass.extend({
  
      options: {
        urlTemplate:'https://s3.amazonaws.com/wri-tiles/tropicalcarbonstock{/z}{/x}{/y}.png'
      }
  
    });
  
    return PantropicalLayer;
  
  });
  
subject: Update PantropicalLayer.js