Professor David Nutt, the former head of Britain's Advisory Council on the Misuse of Drugs (ACMD), who was fired late last month by Home Secretary Alan Johnson for criticizing the government's drug policies as driven by politics instead of science, is now calling for a Royal Commission to study whether to decriminalize marijuana.

David Nutt

Nutt's firing three weeks ago has led to considerable criticism of the government from the scientific community. It has also led to the resignations of five members of the ACMD.

Now, Nutt has told BBC's Radio 4 that a Royal Commission examining decriminalization was a "sensible" idea that could bring "big health benefits." Nutt added: "We've seen some countries like Portugal make real progress in terms of drug-related crime and drug-related harms by decriminalizing drugs of personal use. You could make a moral position that why should people be imprisoned for possessing something that effectively will only harm themselves?"

The Dutch model was one worthy possibility, Nutt said. "I certainly am interested in the idea that we might de-penalize possession and even allow the Dutch model for cannabis -- the coffee shops -- which could potentially have many benefits. I think it's perfectly sensible to think about the Dutch model for cannabis and explore whether that might be a tenable way of allowing young people to get an intoxicant which is safer than alcohol, and which they could then use in a controlled, safe environment."