Here are the facts.

Data centers are big buildings that store and run the computers behind the internet, streaming videos, and AI tools. While they bring jobs and money, they can also cause problems for nearby neighborhoods.

1. Noise and Light
When they’re built, heavy equipment makes loud sounds. Once running, diesel generators and cooling systems keep making a constant hum — sometimes louder than a lawnmower. This noise can hurt hearing and cause stress. They also use lights all night, which can mess with sleep and disturb animals. www.environmentalhealthproject.org.

2. Air Pollution
If they use diesel or gas for power, they release harmful gases like nitrogen oxides and fine particles. These can make people cough, have trouble breathing, and increase the risk of asthma, heart problems, and even cancer. Nearby communities can see more lung and heart issues. www.environmentalhealthproject.org+1.

3. Water Use
Data centers need huge amounts of water to keep computers cool — sometimes millions of gallons a day. This can dry up local rivers, wells, and water supplies, making it harder for people to get clean water. www.environmentalhealthproject.org+1.

4. Energy Use
They use a lot of electricity — enough to power many homes. If that power comes from fossil fuels, it adds to pollution and can raise local energy bills. The Conversation.

5. Other Risks
Some data centers can cause “bad harmonics” in the power system, which can damage appliances and raise fire risks. Chemicals from cooling water can also contaminate soil and water if not handled carefully. conimby.org.