This isn’t the answer.
It’s no skin off DiCaprio’s back when the price of food doubles because of carbon taxes and other things driving the price of the fuel that runs farm equipment and transportation to market through the roof. He probably wouldn’t even notice if a cob of corn when from 25 cents to a dollar. But in impoverished areas around the globe, it could cause starvation. Is that what this ACTOR (note, not a scientist!) wants?