<human>:  What are the pros and cons of solar energy?
<bot>: 
Pros:
 • Solar energy is renewable and sustainable, meaning that it can be used indefinitely without diminishing.
 • Solar energy is clean and emits no pollutants or greenhouse gases.
 • Solar energy is widely available and can be used to generate electricity anywhere in the world on a large or small scale.

Cons:
 • Solar energy typically requires a large upfront investment, as photovoltaic systems are expensive.
 • Solar energy is intermittent and can be affected by weather conditions, meaning it isn’t always reliable.
 • Solar energy requires a large amount of area for installation.