A toxic dumping site leaks into a local water supply and prompts a public outcry. The local and then the state government each take actions to clean...

A toxic dumping site leaks into a local water supply and prompts a public outcry. The local and then the state government each take actions to clean up the site and to fine the company for damages. Which of the following would be a potential positive externality for the national environment?

 More funds for pro-business political candidates Increased funding for oceanic research efforts Renewed interest among students in the humanities Tighter federal oversight laws and restrictions