Colony Collapse Disorder (CCD)

Colony Collapse Disorder (CCD)
.
.
is affecting bee hives all over North America. Initial speculation on possible causes ranged from cell phone and pesticide use to the use of Bt resistant transgenic crops.[50] The Mid-Atlantic Apiculture Research and Extension Consortium published a report in March 2007 that found no evidence that pollen from Bt crops is adversely affecting bees. The actual cause of CCD remains unknown, and scientists believe that it may have multiple causes.