Answers Paper and food scraps are biodegradable because they can be recycled by nature. Cullet is used to make new glass bottles and jars. Manufacturers need to reduce the packaging on their products.
Pop cans are bimetal because they are made of aluminum and steel.
I could reuse Christmas cards for name tags. If we had a compactor we wouldn't need so many trash cans. You can build a compost bin in your back yard. Cutting down trees to build a parking lot upsets the ecology . Collecting aluminum cans to recycle is a good idea.