I agree with your statement and i currently think the engineering commuity is working on diffent ways to solve that issue in particular.Exxon is working with alge energy michigan state recently added a new sourse to detroit zoo using animal excroment fumes to power the zoo. many are creating modern soutions so our eniverment probleem.Going foreward there are other issues to adress and impove upon as engineers always have.In the Grand challeges of engineering the 4 main areas of focus are medical advancement tech, learning to engineer new things like the brain and virtual reality and of envirmental conservaion methods.Oveall i… >>>