Anything worthless or useless.
Trash
A natural resource that can be used again.
Renewable
Made by people.
Man-made
Put something in the garbage / trash, discard.
Throw away
The surroundings or conditions in which a person, animal, or plant lives or operates.
Environment
Using a small amount of energy to produce something without wasting energy.
Energy efficient
The process of making new products from materials that were used in another product.
Recycle
A place where waste is kept. Waste is usually buried, but it may first be sorted to remove any recyclable materials.
Landfills
A plan or drawing made to show the look and function of a building, clothing, or other object before it is built or made.
Design
Relating to nature.
Natural
Make by putting materials together.
Build
To use less of something.
Reduce
To use again.
Reuse
To preserve; to keep from being damaged, lost, or wasted; to save.
Conserve
Any old material, such as metal, paper, rags, etc.
Junk