The website of advocacy organisation Global Witness outlines the key issues surrounding conflict resources, and contains many detailed reports on investigations carried out by researchers on the ground.

Partnership Africa Canada, which promotes sustainable development in Africa, also carries out research and advocacy on diamonds and development.

For information on the international mechanism to end the trade in "blood diamonds", visit the Kimberley Process Certification Scheme website and DiamondFacts.org, a site run by the World Diamond Council, which is the international diamond industry body.

The Extractive Industries Transparency Initiative is a coalition of governments, companies and civil society groups that aims to improve transparency in resource-rich countries through the verification and publication of company payments and government revenues from oil, gas and mining.

Publish What You Pay is an initiative backed by 300 non-governmental organisations around the world, including George Soros' Open Society Institute, which aims to help citizens of resource-rich developing countries hold their governments accountable for the management of revenues from the oil, gas and mining industries.

International voluntary mechanisms intended to guide the ethical behaviour of companies involved in natural resource extraction include the U.N. Global Compact, the OECD Guidelines for Multinational Enterprises, the Voluntary Principles on Security and Human Rights and the Global Reporting Initiative.

International Crisis Group has a web page on Energy and Security, which groups its work on the role of energy issues in conflict.

Human Rights Watch monitors the impact of the Kimberley Process.