Conversation so far:
What is Paul Watson's biggest environmental achievement?
Watson was a field correspondent for Defenders of Wildlife from 1976 to 1980 and a field representative for the Fund for Animals from 1978 to 1981.

Question: What else did he achieve environmentally?
Self-contained rewrite: Aside from being a field correspondent for Defenders of Wildlife and a field representative for the Fund for Animals What else did Paul Watson achieve environmentally?