The EPA repealed a Biden-era ruling requiring coal-fired power plants to significantly reduce their emissions of carbon dioxide, the main driver of climate change. How major of a setback is this?

Each folder contains the code, Prompt.txt, Visualization.png and a README.md. The summary presentation is in the PPT folder.

⚠️ 避坑 ：在Java中重写 compareTo 时， 千万不要 用 this.end - other.end ！ 如果 end 值极大，相减会导致 整数溢出（Integer Overflow） ，从而破坏排序逻辑。 必须使用 Integer.compare (a, b)。