The Drug Policy Alliance (DPA) supports information and polices related to marijuana that are grounded in science, compassion, health and human rights. For over 20 years, DPA has been at the forefront of marijuana law reform. They support marijuana laws that regulate marijuana effectively and that no longer arrest, incarcerate, disenfranchise and otherwise harm millions of Americans. They also work to promote the development of a safe, responsible, inclusive and ethical marijuana industry.
Follow this link to read their findings in this report.