Some sources are free while others are subscription based and expensive.
Some academic libraries subscribe to these. Selected annual series are available back to 1970. Alternative Futures A think tank located in Alexandria, Virginia, founded in 1977. The World Future Society in Bethesda Maryland is a nonprofit organization for people interested in how social and technological developments affect the future. The Futures Study Centre in Victoria, Australia, delivers seminars tailored to specific requirements in business, education and government.