Gushing over the sweet couple, a confidante revealed:
Mark Ruffalo News Archive
More than 10,000 people were protesting outside of the White House to fight the Keystone XL pipeline.
And among them was Mark Ruffalo.
The Keystone XL is a pipeline that would take oil from Canada to Texas refineries, and will keep us hooked on fossil fuels.
Daryl Hannah, who was arrested at a similar protest, said: