sustainable things save energy and non sustainable things don't help the environment
diesel is not sustainable it is non renewaBLE
Trees are a sustainable material and always will be because you can keep on planting them again and again and they will never run out.
a non sustainable resource is a resource that will soon all be used up such as oil or coal
go back to skool go back to skool fish is consider sustainable
It's non-sustainable.
Using a material that is sustainable and environmentally friendly
It is a wall or some other material but you can check it in your Internet
Materials that do not effect the environment- biodegradable usually or they can be re-used
A sustainable resource is a resource that is used up at the same speed that it is renewed. Wood can be a sustainable resource if the trees are harvested at the same rate as new trees mature. Wind is a sustainable resource as the wind is not "used" up. Solar and hydroelectric power can be considered sustainable. Oil, natural gas, minerals taken from the earth do not regenerate and are non-sustainable. Fish stocks can be renewed and can be used in a sustainable fashion but are presently being used at a greater rate than they are being renewed and are considered non-sustainable.
Well they originate from fossils which are non-renewable.
The onceler is wasteful and non-sustainable.