What do this graphic mean? http://www.cartoonstock.com/directory/u/urbanisation_gifts.asp?

In the graphic, what renewable or non-renewable resource can you see? What is an alternative renewable source of energy or the non-renewable energy source not shown? What is the key message of the cartoon, connect the key message about non-renewable resources in this graphic to the current lifestyle choices Canadians make and their impact on our environmental well-being. Explain the problem the cartoon is describing i.e.; short term profits versus long term sustainability.