A hearing over what would be a key step in bringing a potential casino and resort to Nassau County brought dozens of people to the county's legislative chamber Monday.

The purpose of the hearing is to hear from people in the community about what they would like to see in an environmental study of the Nassau Hub.

Neighbors tell News 12 they're worried about their traffic, water and air quality.

Advocates for Las Vegas Sands tell News 12 they are committed to addressing any environmental concerns and ensuring the project is safe.