Answer: These can be explained as follows :-
Explanation: A.Causes of environmental problems :-
1. Urbanization
2. Deforestation
3. Overpopulation
4. Waste production
5. Industrialization
B. Poverty means a state of an individual in which he is not able to fulfill his or her basic necessities of life.
Usually poor people are not well educated and are not very ware about the cleanliness around them, they pollute rivers, forest and other natural resources.
The wealthy folks on the other hand, demand more goods and services leading to exploitation of natural resources.
C. People in toady's time period are not very aware about the environmental problems occurring due to heavy consumption of certain goods, inclusion of environment cost will lead to consumer awareness and it might work for the betterment of earth.