anchor.diff:  
             <p class='credits'><strong>Suggested citations for data as displayed on GFW:</strong> Hansen, M. C., P. V. Potapov, R. Moore, M. Hancher, S. A. Turubanova, A. Tyukavina, D. Thau, S. V. Stehman, S. J. Goetz, T. R. Loveland, A. Kommareddy, A. Egorov, L. Chini, C. O. Justice, and J. R. G. Townshend. 2013. “Hansen/UMD/Google/USGS/NASA Tree Cover Loss and Gain Area.” University of Maryland, Google, USGS, and NASA. Accessed through Global Forest Watch on  [date]. <a href='http://www.globalforestwatch.org' target='_blank'>www.globalforestwatch.org</a>.</p>
   
  -          <p class='read_more hidden'><em><%= link_to 'Learn more or download data', sources_path %></em></p>
  +          <p class='read_more hidden'><em><%= link_to 'Learn more or download data', "#{sources_path}/forest_change?t=umd_tree_loss_gain" %></em></p>
           </div>
         </div>
       </li>
  
positive.code:           <p class="credits"><strong>Citation:</strong>Reymondin, Louis, Andrew Jarvis, Andres Perez-Uribe, Jerry Touval, Karolina Argote, Julien Rebetez, Edward Guevara, and Mark Mulligan. 2012. “Terra-i: A methodology for near real-time monitoring of habitat change at continental scales using MODIS-NDVI and TRMM.” CIAT-Terra-i. <a href='http://terra-i.org/dms/docs/reports/Terra-i-Method/Terra-i%20Method.pdf' target='_blank'>http://terra-i.org/dms/docs/reports/Terra-i-Method/Terra-i%20Method.pdf</a>.</p>
  
            <p class='credits'><strong>Suggested citation for data as displayed on GFW:</strong> Reymondin, Louis, Andrew Jarvis, Andres Perez-Uribe, Jerry Touval, Karolina Argote, Julien Rebetez, Edward Guevara, and Mark Mulligan. 2012. “Terra-i alerts." CIAT-Terra-i. Accessed through Global Forest Watch on [date].<a href='http://www.globalforestwatch.org' target='_blank'>www.globalforestwatch.org</a>.</p>
          </div>
        </div>
      </li>
  
negative.code: 
            <p class='credits'><strong>Citation:</strong> Giri C, Ochieng E, Tieszen LL, Zhu Z, Singh A, Loveland T, Masek J, Duke N (2011). Status and distribution of mangrove forests of the world using earth observation satellite data. Global Ecology and Biogeography 20: 154-159.</p>
  
            <p class='read_more hidden'><em><%= link_to 'Learn more or download data', "#{sources_path}/forest_cover?t=mangrove" %></em></p>
          </div>
        </div>
      </li>
  