![Robert Downey Jr. at the 'Oppenheimer' U.K. premiere at the Odeon Luxe Leicester Square](https://media.greenmatters.com/brand-img/S1_CC_vEv/640x335/robert-downey-jr-climate-change-1692709994627.jpg 640w)
Robert Downey Jr.'s Mission to Fight Climate Change Continues With Book 'Cool Food'
You may know him as Iron Man, but Robert Downey Jr. is a real-life superhero, one who's tackling climate change via plant-based and technology-driven initiatives.
Climate action is the response to the climate crisis.