Convincing more people of the importance of the challenges we face is crucial, yet it's not always easy to do. This sometimes happen because we're only giving partial information, leaving too many blanks in our explanations.
The mining of metals used in electronics is spreading to countries like Malaysia and Brazil, but scientists warn of the toxic and radioactive wastes generated by the industry.
A new method of producing crystalline silicon at low temperatures has been developed at the University of Michigan, using a process similar to making rock candy from sugar.