materials essay

Is the production or the manufacturing of materials used for productions of Photovoltaic Cells damagning?

I’m writing an essay of the costs/benefits of solar energy, if you have any suggestions for the costs of using solar energy that would be great! Thanks for your help

Is there anything good about use toxic materials in production?

Is it cheaper or something?(I need to know for a school essay)

Is cheaper materials or things better?

I need to make an essay discussing if cheaper materials are better for my class project.Thank you.