Respuesta :
Answer:
From 1 to 3.
Explanation:
- When dealing with environmental laws and other policies the policymakers need to make users how much will the cost be or need to take an estimate of the funds that are needed to make environmental policies.
- Then it's essential to estimate the environment in which it's going to affect and take into account the effect of these policies it will have on other environments. Whether it will be beneficial for the others taking into account the human factors like immigration and emigration etc.
- Environment laws have never been made without the due acceptance of the countries in treaty such as the UNEP is a program that aims for all the overall environmental protection and regulation of norms of planning.