Re-order paragraphs

b) The environmental revolution has been almost three decades in the making, and it has changed forever how companies do business.

c) In the 1960s and 1970s, corporations were in a state of denial regarding their impact on the environment.

d) Then a series of highly visible ecological problems created a groundswell of support for strict government regulation.

a) In the United States, Lake Erie was dead; in Japan, people were dying of mercury poisoning.

e) Today many companies have accepted their responsibility to do no harm to the environment.