First thing I would say about my MDP is that my USB hub requires less material than a USB hub with a wire. To incorporate green design more I would look at what materials I could use to replace the material that I ended up in my prototype. For this I need to consider how the plastic is made. I also need to also consider if the plastic is biodegradable or not. The perfect plastic for my prototype is PLA, it's biodegradable and made with little to no carbon emissions other than that from the power plant the electricity comes from; which I am almost certain is a nuclear power plant, being nuclear, the only emissions is water vapor.
Using PLA filament
Electronic boards
Batteries
Solar Panels
WHM Comment - Reassessment - 16/20
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IB Style is 3 evidence-based bullets per theme (not done, max of 2 for 2 items
WHM Comment - 10/20
Address 2 of 7 items
Equivalent to IB Style - 3 evidence-based bullets in support of each theme
Revise and resubmit