Answer:
World Wildlife Fund
The World Wildlife Fund is an international non-governmental organization that is devoted to preserving wildlife around the world and limiting climate change and other negative human effects on the environment. To this end, they research climate change and support international conservations.
Environmental Protection Agency
The Environmental Protection Agency is the Federal body that is charged with protecting the environment and ensuring as little negative effects on the environment as possible. They create rules and regulations to reduce pollution and they also locate and clean up toxic pollution around the nation.