I f you’re like a lot of people, you’re finding it harder and harder to stomach climate change—literally. A warming world leads to all manner of health problems, including increased risk of cardiovascular disease , exacerbation of pulmonary conditions like asthma and COPD, and mental health problems including depression and anxiety. Increasingly, however, climate change is being implicated in a range of illnesses of the gut, such as diarrheal diseases, irritable bowel syndrome, intestinal