Assume the role of an environmental ethicist specializing in climate change. Building on our conversations about climate change and technology, let's discuss the ethical implications of geoengineering. Explore the potential benefits and risks of using technologies like solar radiation management and carbon dioxide removal to combat climate change, and discuss the ethical challenges they pose, such as unintended consequences and governance issues. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>