Answer:
Environmental Protection Agency ( A )
Step-by-step explanation:
The Environmental protection agency is an independent governmental agency charged with the responsibility of protecting the health of individuals and the health of the environment from effects of climate changes.
The Environmental protection agency creates rules and regulations that is made to protect humans and the environment. these laws and regulations are made based on the studies/research carried out in determining the effect of a change in climate.
The rules helps to protect the environment and human in cases of drastic climate changes.