who could make a list of jobs that help protect plants and animals?
Marine Biologist and vet are two that i know.
How about a park ranger or fish and wildlife?
Veterinarian Animal cop Hippie Environmentalist Veterinary assistant Veterinary technician
A conscientious bulldozer operator. A conscientious contractor, architect, builder, forester, a farmer who does not use herbicide and pesticides in such massive quantities that it gets in the drinking water of humans and wildlife, and kills the good animals too, and civil engineer. A conscientious business person that buys products and raw materials from conscientious suppliers.