ELI5: Explain Like I'm 5

Trail Smelter dispute

Okay, so there was a big argument a long time ago between the United States and Canada about pollution. There was a factory in Canada called the Trail Smelter that was making a lot of smoke and chemicals that were hurting the environment and the people around it. The smoke was traveling across the border into the United States and causing problems there too.

The U.S. didn't like this at all and they wanted the Trail Smelter to stop polluting right away. But the people who owned the factory didn't want to stop because they were making a lot of money. It was like they didn't care that their pollution was hurting the environment and the people around them.

So the U.S. decided to take this problem to a court to try to get a solution. They wanted to make sure that the Trail Smelter was being held responsible for the pollution they were causing. The court agreed with the U.S. and said that the factory had to stop polluting right away or pay for the damages they were causing.

In the end, the Trail Smelter agreed to pay for the damages and to try to become a cleaner and more responsible factory. It was an important case because it showed that people need to think about how their actions are affecting others and the environment. We all have to work together to make sure that our world stays healthy for everyone to live in.