Both developed and developing countries have had significant negative impacts on the environment.
Option: D
Explanation:
Developed and developing both the countries have had negative impact on the environment. Developed countries are those which are technologically upgraded, scientifically high ranked and economically pronounced like United States, United Kingdom etc. They caused more environmental pollution by producing CFC, CO2 and CO.
Whereas developing countries like Asia ( India, China) have huge population density that creates pressure on environment and on its natural resources also. People are destroying, deforesting natural vegetation for their own interest. So in this way both the countries have negative impact on environment.