What were some environmental issues in the 1970s?

Institutional writing what is it? Why is Life So Hard For Nice People? What is the difference between renewable and nonrenewable timber? What the difference between contagious diffusion and hierarchical diffusion? Why did workers carry their requeast for better working conditions to the czar palace? In what ways have transportation system crossing the continent altered the environment? Why is carbon important in the environment? Has globalization decreased the poverty rate in India? What were the UNIA objectives? What is the rising action of the NAACP? What food is served at fund raising affairs for the 'fall-as' did the Moors of Valencia originate? Is air a non-renewable resource? Does lightning destroy the ozone? What does the Urban Land Institute do? What effect does water have on wood through many years of being submersed? What is the difference between a Biotic abiotic resources b renewable and non-renewable resources? How do you overcome water pollution caused by industries? What effect did the battery dumping have on the resources of the habitat? What are some ways in which your society tries to make everyone equal? Why the US decided to limit immigration in 1921?