Indianapolis Zoo and Eli Lilly are part of a push to move medical industry away from using horseshoe crab blood and towards synthetic genetically engineered alternatives.

U.S. industry is a major source of the greenhouse gas pollution causing climate change. Some operations emit way more than others, and new reports show where they are.

Indianapolis is among the worst in the country for energy efficiency, according to the report by the American Council for an Energy-Efficient Economy. Transportation is a main factor contributing to Indianapolis’s low score as it makes up about third of the city’s total carbon emissions.

The CDC has released a tool to help people assess personal risk during heat waves in preparation for another hot summer.

Deaths and disease linked to air pollution have dropped across the United States over the past few decades, but not all communities are equally reaping the benefits.

After a class of flame retardants called PBDEs was phased out due to links with developmental health issues, manufacturers started using another, similar group of compounds.