
	                    						
		&lt;br /&gt;                       
		 
                  
				 &lt;p&gt;
				  
					  
						  DETROIT (AP) &mdash; A newly released report says there&rsquo;s a lack of hard scientific evidence about what&rsquo;s causing massive algae blooms spreading across most of the Great Lakes. The report says it&rsquo;s widely assumed that runoff from farms and sewage treatment plants is a leading cause of resurgent algae. Invasive mussels and climate change are considered likely factors as well. But it says those beliefs are based largely on observations instead of more reliable scientific experimentation. The document was presented Thursday during the annual meeting of the International Joint Commission, a U.S.-Canadian agency that advises both nations on issues affecting  &amp;hellip;
					  
				 
	  				  
   