Colorado and Washington became the first states to legalize recreational marijuana in the prohibition era on Tuesday, dealing a major blow to the war on drugs. Medical marijuana was also legalized in Massachusetts, underlining long-running trends in public opinion toward more permissive attitudes on drugs.

The United Nations has published its annual report on drug use in the world, offering in this an interesting map showing the distribution of marijuana in the world: what are the countries where smoking more ganja?

David Bronner locked himself in a metal cage Monday outside the White House with a stash of hemp plants and equipment, hoping to make enough hemp oil to spread on a piece of French bread.

This law will take effect until April 1, 2013 from which the posession of one ounce of marijuana will not a crime.

The Colorado House of Representatives last week approved a bill that sets a strict limit and unreasonable of 5 nanograms of THC per milliliter of blood allowed for drivers.