Harm Reduction Coalition
The Harm Reduction Coalition (HRC) is committed to reducing drug-related harm among individuals and communities by initiating and promoting local, regional, and national harm reduction education, interventions, and community organizing. The site includes information on harm reduction, educational materials, and information on U.S. drug policy. http://www.harmreduction.org

North American Syringe Exchange Network
The North American Syringe Exchange Network is dedicated to the creation, expansion and continued existence of syringe exchange programs as a proven method of stopping the transmission of blood borne pathogens in the injecting drug using community. Their webiste includes information on needle exchange programs throughout the United States. http://www.nasen.org/

Project SERO
Syringe Exchange Resources Online. http://projectsero.org

UC San Francisco Center for AIDS Prevention Studies
Includes the "Does Needle Exchange Work?" fact sheet, available in English and Spanish. http://www.caps.ucsf.edu

Tweaker.org
This website contains information for gay and bisexual men who use methamphetamine. The site in no way promotes or encourages the use of this controlled substance. Instead, it seeks to help individuals minimize the harms associated with use of methamphetamine. "Tweaking tips for party boys", "'Rigs' safety points for slammers" and an interactive forum featuring the Speed Devil mascot are among the website's features. http://tweaker.org

Harm Reduction in the Health Care System
This project of Temple University's Beasley School of Law (Philadelphia) aims to promote effective disease prevention and care among injection drug users by identifying the legal factors that influence their health. The site is primarily dedicated to answering the question, "As a health care provider, can I legally prescribe and dispense syringes to injection drug users as an HIV prevention tool?" The site concludes that physicians can legally prescribe syringes in 48 of the 50 U.S. states and features a list of medical organizations that support the prescribing of syringes by health care professionals. http://www.temple.edu/lawschool/aidspolicy/

Needle Exchange/Syringe Availability
This site by the Drug Policy Alliance features full-text articles, scientific reports, book chapters, statistics, and links to other organizations. http://www.lindesmith.org/reducingharm/needleexchan/

Crystal Neon 
http://www.crystalneon.org

Erowid 
http://www.erowid.org