sociology assignment

https://mediaplayer.pearsoncmg.com/assets/_video.true/sociology_2017_blue_chalk_videos-Taking_a_Stand_Against_Environmental_Injustice

Watch the video in the link and answer the following questions. You can also use web sources to answer the questions. Each question must have an answer between 6-10 sentences or even more if necessary.

1- What is environmental injustice? What examples can you think of in or near your community?
2-Landfills, oil refineries, and other environmental hazards are more likely to be located near lower income neighborhood or neighborhoods with high concentrations of people of color. Do you believe this is intentional? Why?
3-What are the health risks of living in a polluted environment? Is a clean environmentair, water, and landa right? Explain.
4-The companies operating in these areas do provide jobs for the residents, so isnt a little pollution worth the jobs? What are possible alternatives?