A new study in Science Advances claims that more carbon dioxide in the atmosphere will cause food to become less nutritious. That very well might be true.
However, the paper concludes that the poorest people in the world will be affected the most, since many of them rely on rice to survive. Rice, which is not a particularly good source of nutrients in the first place, will become even less nutritious, putting the health of hundreds of millions of people at risk. Fortunately for the world, that conclusion is probably incorrect because it is based on two flawed assumptions.
Flawed Assumption #1: Rice Is the Main Nutrient Source for Poor People
Rice is a...