Expert says today businesses have to think about their impact on the environment and how the climate will impact them.

Mayors and representatives from about 18 Indiana cities heard more at the Climate Leadership Summit in Indianapolis on Thursday.

Fish and other aquatic life are closely tied to the environment in the streams and lakes they live in. So things like changes in temperature, stream flow, and rainfall can have a big effect.

The White River Alliance hosted the state's first water summit this week. The two-day event brought experts together to take a closer look at how Indiana can protect its water resources.

The report is a part of a series that address the impacts climate change has on health, infrastructure and more.

Corn production in Indiana has been increasing for decades -- largely because of advances in genetics -- but researchers at Purdue University say climate shifts could substantially decrease yields by the 22nd century.

The study estimates that if Hoosiers don't adapt to the climate, tens of millions of dollars in Indiana infrastructure could be at risk.

The reports released Tuesday are part of Purdue University's ongoing Indiana Climate Change Impact Assessment.

In Terre Haute, Sister Jeanne Hagelskamp, with her peers on the group's Justice Coordinating Commission, works to raise awareness of climate change.

The study updates the social cost of carbon, which previously relied on some data from the 1980s.