Here is how the items can be categorized:
Logos (appeal to logic and reason):
- Without solar power, humanity will suffer the effects of climate change to an even greater degree.
- Solar panels are carbon neutral in just a few years and last for up to 30 years.
Ethos (appeal to credibility or character):
- The National Renewable Energy Laboratory is an organization that studies developments in renewable energies, such as solar energy.
Pathos (appeal to emotion):
- (None of the provided items are explicitly emotional appeals, so this category has no examples here).