Try searching the Gale Virtual Reference collection of encyclopedias and handbooks linked below. It's a great alternative to Wikipedia and provides a wealth of vetted resources for beginning your research.
Or, one of our own databases.
Good starting points searches may include:
Corporate Social Responsibility: A Very Short Introduction
Exploring the place of CSR in different economic, social, political, and managerial contexts, this short guide considers the many positives, but also challenges, that CSR can present for companies, societies, and governments worldwide.
International Journal of Corporate Responsibility
An up to date source regarding CSR around the globe