One climate activist was sentenced to 18 months in prison, the other to two years. They said that they had meant to draw attention to climate change.

Two climate activists accused of throwing a red powder on the U.S. Constitution display case at the National Archives earlier this year have been sentenced to more than a year in prison, The Washington Post reported.

A climate change activist who dumped red powder on a case containing the original copy of the U.S. Constitution has been sentenced to two years in prison for his role in the publicity stunt earlier this year at the National Archives in Washington,

A Maryland man accused in attacks on D.C. museums gets a two-year sentence for pouring red powder over the Constitution, a stunt that cost $50,000 to clean up.