American Actor Mark Ruffalo has been added to a terror advisory list by U.S. officials after organizing screenings for a new documentary about natural gas drilling, according to the San Francisco Chronicle.
Ruffalo arranged showings for "GasLand" earlier this year and voiced his concerns about the practice in relation to the national water supplies.
But his efforts to raise awareness and demand a stop to natural gas drilling reportedly attracted the attention of officials from Pennsylvania's Office of Homeland Security - and he recently discovered it had landed him on a terror alert watchlist, reporded The Chronicle.
"(It's) pretty f**kin' funny," he told GQ magazine.
Ruffalo has starred in movies such as "Eternal Sunshine of the Spotless Mind," "Zodiac" and "13 Going on 30."
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