Legal cannabis is expanding like a weed, and these states could be next on the list.

Legal cannabis is expanding like a weed, and these states could be next on the list.

Adult-use cannabis legalization is sweeping across the nation, and globe.

Adult-use cannabis legalization is sweeping across the nation, and globe.

Local ordinances to decriminalize weed are catching hold, but not all are successful as their home states attempt to enforce far stricter laws.

Local ordinances to decriminalize weed are catching hold, but not all are successful as their home states attempt to enforce far stricter laws.

Legal or not, millions of Americans already use marijuana regularly.

Legal or not, millions of Americans already use marijuana regularly.

Burgeoning business in states with legal sales sparks momentum for reform.

Burgeoning business in states with legal sales sparks momentum for reform.

WASHINGTON — Congress extended protections to 44 states that have legalized medical marijuana in its proposed $1 trillion spending bill that funds the government through September.

WASHINGTON — Congress extended protections to 44 states that have legalized medical marijuana in its proposed $1 trillion spending bill that funds the government through September.

Two of the leading supporters of marijuana law reform in Congress have starkly different predictions about what could happen to state cannabis policies if President-elect Donald Trump’s pick for attorney general is confirmed.

Two of the leading supporters of marijuana law reform in Congress have starkly different predictions about what could happen to state cannabis policies if President-elect Donald Trump’s pick for attorney general is confirmed.

Appeals court ruled stopping and searching such a driver violates the Constitution.

Appeals court ruled stopping and searching such a driver violates the Constitution.

One benefit of a stopgap federal spending bill is the inclusion of a rider that bans the Justice Department from using funds to prevent medical marijuana states from implementing their laws.

One benefit of a stopgap federal spending bill is the inclusion of a rider that bans the Justice Department from using funds to prevent medical marijuana states from implementing their laws.

The new Congress only just convened on Tuesday, and legislation to reform federal cannabis policies has already been introduced.

The new Congress only just convened on Tuesday, and legislation to reform federal cannabis policies has already been introduced.

Federal law prohibits marijuana and its transportation across state lines; but the new number of cannabis-friendly states sharing borders may end up testing that ban.

Federal law prohibits marijuana and its transportation across state lines; but the new number of cannabis-friendly states sharing borders may end up testing that ban.

AUSTIN, Texas — Prosecutors in the most populated areas of Texas have in recent years dismissed a significantly larger number of marijuana offenses involving smaller amounts of the drug, according to a newspaper analysis.

AUSTIN, Texas — Prosecutors in the most populated areas of Texas have in recent years dismissed a significantly larger number of marijuana offenses involving smaller amounts of the drug, according to a newspaper analysis.

BATON ROUGE – Louisiana State University will begin taking offers from contractors to produce marijuana for the state for medical purposes.

BATON ROUGE – Louisiana State University will begin taking offers from contractors to produce marijuana for the state for medical purposes.

Though cannabis is legal for recreational or medicinal use in 28 states, it remains illegal under federal law. As a result, the U.S. Patent and Trademark Office will not register trademarks for marijuana retailers or for products that contain cannabis.

Although many argue that it is too late to un-ring the bell of marijuana law reform, the state-federal imbalance — already complicated and fragile — cannot hold.

Although many argue that it is too late to un-ring the bell of marijuana law reform, the state-federal imbalance — already complicated and fragile — cannot hold.

Legislators in more than a dozen states have introduced measures to loosen laws restricting access to or criminalizing marijuana, a rush of legislative activity that supporters hope reflects a newfound willingness by public officials to embrace a trend toward legalization.

Legislators in more than a dozen states have introduced measures to loosen laws restricting access to or criminalizing marijuana, a rush of legislative activity that supporters hope reflects a newfound willingness by public officials to embrace a trend toward legalization.

ST. JOHNS, Mich. — Michigan's medical marijuana law trumps another law that restricts how users can transport pot in cars, the state appeals court said, reversing the misdemeanor conviction of a man in Clinton County.

ST. JOHNS, Mich. — Michigan's medical marijuana law trumps another law that restricts how users can transport pot in cars, the state appeals court said, reversing the misdemeanor conviction of a man in Clinton County.

CAPITAL REGION, N.Y. -- State Police have not added more resources or stepped up patrols on the border it shares with a state that legalized marijuana less than a week ago.

CAPITAL REGION, N.Y. -- State Police have not added more resources or stepped up patrols on the border it shares with a state that legalized marijuana less than a week ago.

In a new interview with Rolling Stone magazine, outgoing President Barack Obama makes his most explicit comments about marijuana decriminalization to date.

In a new interview with Rolling Stone magazine, outgoing President Barack Obama makes his most explicit comments about marijuana decriminalization to date.

President Obama has been politically artful in his approach to legal pot, providing states such as California with a road map on how to legalize. Donald Trump has said the decision should be left to states.

President Obama has been politically artful in his approach to legal pot, providing states such as California with a road map on how to legalize. Donald Trump has said the decision should be left to states.

It is an opportunity to learn about all things hemp and cannabis related including growing, harvesting, medicinal uses and legislation.

California’s Proposition 64, which decriminalizes marijuana and reinvests in the communities most impacted by racist drug policies, is arguably one of the most significant criminal justice policy shifts in a generation for Latinos.

California’s Proposition 64, which decriminalizes marijuana and reinvests in the communities most impacted by racist drug policies, is arguably one of the most significant criminal justice policy shifts in a generation for Latinos.

Several states voted to legalize marijuana this past Election Day but the pot business still has a gripe -- regulations.

Several states voted to legalize marijuana this past Election Day but the pot business still has a gripe -- regulations.

BOSTON (AP) -- As marijuana shops sprout in states that have legalized the drug, they face a critical stumbling block - lack of access to the kind of routine banking services other businesses take for granted.

BOSTON (AP) -- As marijuana shops sprout in states that have legalized the drug, they face a critical stumbling block - lack of access to the kind of routine banking services other businesses take for granted.

Do you get high? Do you drive? This is why you need to understand the laws behind DUI marijuana charges — and the particular science of THC, too.