But what about the boxes? Luckily, changemakers are unwrapping some ideas for those, too. Instead of tossing your used ...

For some people, there's no need to spend a lot of time thinking about aluminum foil. You buy either the cheapest or the thickest and get on with your day. For the other 7.951 billion of us ...

tape up the middle so your box doesn't fall apart. Cover one of the square holes completely with aluminum foil. Use tape to keep the foil in place. Take a push pin and punch a small hole carefully ...