Jack Herers website
Jack Herer has dedicated his life to educating people about the history and many utilizations of hemp, the conspiracy against it, and ending marijuana prohibition. His research into this plant culminates in his writing The Emperor Wears No Clothes which you can read on his site.

United Kingdom Cannabis Social Clubs (UKCSC)
The UKCSC is an NGO platform founded in 2011 by citizens throughout the United Kingdom affected by and/or concerned by the current national and international war on people who use certain drugs, particularly cannabis. UKCSC unites the representatives of individual CSC’s in the UK, health workers, industry professionals, experts, entrepreneurs and activists from across not only the UK but Europe and the rest of the world.

Students for Sensible Drug Policy UK
SSDP has chapters at universities and colleges across the UK, as well as several international affiliates.