Correct Answer: Climate change

Solution : The correct option is Climate change.

The Kyoto Protocol is an international convention that aims to combat climate change and reduce greenhouse gas emissions. It was passed in 1997 and went into effect in 2005. The convention establishes binding objectives for developed nations to reduce emissions of six key greenhouse gases, including carbon dioxide, methane, and nitrous oxide.The Kyoto Protocol's principal goal is to reduce the consequences of global warming by restricting emissions that contribute to climate change. It established systems such as carbon trading and the Clean Development Mechanism to encourage international collaboration in meeting emission reduction objectives.