Batteries and the Air

Batteries are important. They help the world. They power cars and homes. They help reduce gas in the air. But batteries have a problem. They create bad gas too. This gas is in the air. A new study looks at this. The study is from the University of Melbourne. Haiwei Zhou leads the team. The team looks at lithium-ion batteries. These batteries are in many things. There are many batteries today. There are more batteries every year. The emissions are small now. They are 0.18 percent of all gas releases. But this number is growing. It can grow by ten times by 2050. This is a problem. The team looks for ways to stop this. They look at the number of batteries. They want to make fewer batteries. This is a good way to help. The team uses data about cars. They use data about energy. They look at the future. They see many ways to help. One way is to make batteries last long. A long battery is good. It means we need fewer new batteries. This helps a lot. Another way is to make batteries smaller. Big batteries are not always good. Small batteries are better. Ride-sharing is also good. It means fewer cars. Fewer cars mean fewer batteries. We can also use old batteries again. This is good for the earth. The team says this saves much gas. It saves 6 to 7.2 billion tons of gas. This is a big help. The battery you do not make is the best battery. It has zero footprint. This is a simple idea. It helps the earth a lot. We need to do this now.