Extreme heat index days—when heat and humidity make it difficult for the body to cool itself off—have been increasing in cities across the country.
Prescribed burns — an important tool for reducing wildfire risk — are being unevenly applied across the country.
Ozone levels in Tucson and other Arizona urban areas are increasing as temperatures hit record or near-record levels every year with growing scientific consensus that continued increasing temperatures will make future ozone levels, and, in effect, health risks worse.
This warming trend, combined with pollution from cars, power plants and chemical plants, is expected to increase the number of days each year that New Jersey residents inhale unsafe levels of ozone pollution.
As global temperatures continue to rise, Knoxville is experiencing earlier springs, ushering in longer allergy seasons. Pollen intensity is increasing, inducing sickening impacts for asthmatics and those vulnerable to hay fever.
San Antonio is one of the most challenging cities for spring allergies sufferers, and rising temperatures are making it worse.
Millions of Americans suffer from seasonal allergies—and climate change is prolonging their season of suffering.
Delaware's future could be shaped by climate action.