Following up on our discussions about climate change, let's explore its causes and consequences in more detail.  Discuss the role of human activities in driving climate change, the observed and projected impacts on the environment and human societies, and the potential solutions to mitigate these impacts. 
<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>