Please respond to the following:

One of the problems in environmental ethics regarding entire ecosystems is their lack of inclusion in moral theory. Ecosystems are neither considered a person nor consciousness and thus cannot be defended in a court of law.

• What are the strengths and weaknesses of each of the following moral theories as a basis for protecting an ecosystem?
  • Social contract theory.
  • The principle of utility.
  • Rights.
  • The principle of equality.
• In your view, how can ecosystems best be defended