**SNIP** People with diabetes can be weakened by dehydration, as it inhibits the absorption of insulin. Dehydration also increases the likelihood of kidney harm or kidney stones, putting those with kidney disease at greater risk of weather-related harm. Plants are producing more pollen because of increased levels of carbon monoxide in the air, prolonging allergy season. Increased carbon dioxide reduces nutrients in the plants we eat. Greenhouse gases chew away at the ozone, leading to an increased risk of skin cancer. **SNIP** In an effort to blunt the impact of heat and smoke this past summer, the city of Seattle...