Greenpeace sucessfully intervenes to reverse Canada's refusal to grant a visa to top opponent of genetically engineered food in an attempt to prevent him from attending international meeting on biosafety.
The detrimental effects of genetically engineered crops on the environment are well known, but the potential for even greater harm is posed by GE trees, which because of their long lifespans and widespread propagation could be as great a danger as clearcutting.
