Environmentalism was another enthusiasm of the period, encouraged by Rachel Carson's 1962 book, 'Silent Spring'. Later, at Three Mile Island in Pennsylvania, an incident occurred which lead to many protests by activists. What happened there?

The 1960s saw considerable unrest in the USA. On university campuses and elsewhere a rebellious counterculture of freedom flourished. By no means all of American society took part in this new lifestyle, and the 1970s saw a reaction to the radicalism of the 1960s. By 1980 another period of Republican government of the USA was looming.