HotBot is one of dozens of Internet search engines. This website offers a look at the top 100 headline news stories of the 20th century. The headlines offer insights about major triggers of social change and the effects of social change on society. This website is maintained by Rainforest Action Network. Learn some of the tactics this organization uses to pressure giant transnational corporations into changing practices that harm the environment.
Technology is a major trigger of social change.
On their website, they list their top ten predictions for the future.