An Aka man smokes hemp while hunting in the Central African Republic. Veronique Durruty/Gamma-Rapho via Getty Images hide caption
marijuana
Tuesday
Marijuana at a medical marijuana dispensary in Los Angeles. Twenty-three states and the District of Columbia have legalized medical marijuana. David McNew/Getty Images hide caption
Wednesday
Using chemicals to control bugs or mold is common among commercial cannabis growers. But with no federal oversight, experts are concerned growers may be using dangerous pesticides. Ted S. Warren/AP hide caption
Concern Grows Over Unregulated Pesticide Use Among Marijuana Growers
Wednesday
Grand Daddy Purple, Skunk #1, Sugar Daddy Courtesy of Chronicle Books hide caption
Friday
Tuesday
Monday
Polls show changing American opinion on marijuana, and it's having an effect on politics. Leon Neal/AFP/Getty Images hide caption
Obama, 2016 Contenders Deal With Changing Attitudes On Marijuana
Friday
High-end marijuana buds on sale at a Denver dispensary. Craig F. Walker/Denver Post via Getty Images hide caption
Wednesday
Washington, D.C., mayor Muriel Bowser in November of 2014. Manuel Balce Ceneta/AP hide caption
Tuesday
Leaders of the Alaska Cannabis Club share a joint at their medical marijuana dispensary in Anchorage. On Tuesday, Alaska became the third state in the nation to legalize recreational marijuana use. Mark Thiessen/AP hide caption
Wednesday
After the pot-smoking comes the insatiable hunger. Just ask James Franco and Seth Rogen's weed-loving characters in Pineapple Express. The Kobal Collection hide caption
Tuesday
Deuel County Sheriff Adam Hayward shows off a container of confiscated marijuana in Chappell, Neb., in July. Nikki Kahn/The Washington Post/Getty Images hide caption
Nebraska Says Colorado Pot Isn't Staying Across The Border
Monday
A marijuana bud displayed in Denver. Don't legalize pot, the pediatricians say, but don't lock teenagers up for using it, either. Seth McConnell/The Denver Post/Getty Images hide caption
Wednesday
Adam Eidinger, chairman of the D.C. Cannabis Campaign, puts up Initiative 71 posters in October. The measure to legalize possession of up to 2 ounces of marijuana was approved by a wide margin of local voters. Jacquelyn Martin/AP hide caption
Voters Said Yes, But D.C. And Congress Continue To Spar Over Pot
Friday
Officials in Aspen have put out a brochure on how to use marijuana safely and legally. Marci Krivonen hide caption