Hamada, Takeshi2023-05-222023-05-222006-12-152007-01-10https://repository.upenn.edu/handle/20.500.14332/40213This research paper explores how global society should address climate change, focusing on the Kyoto Protocol and its future. In the introduction, the paper presents three challenges that we face in addressing climate change; uncertainty, trade-off between environment and economy, and political conflict. The paper tries to work out how to address climate change with these three challenges in mind.Environmental SciencesDissertation/Thesis