On Tuesday, Billionaire activist Tom Steyer announced his candidacy for the 2020 Democratic presidential nomination.
HuffPo reports the billionaire activist championed the fight against the Keystone XL pipeline.
He surprised many when he joined a crowded Democratic field this week.
In 2013, Steyer founded NextGen America as an environmental advocacy group and political action committee.
He poured millions into a high-profile campaign to impeach President Donald Trump.