Resources that can meet our energy needs now and in the future without harming our environment or health are to said to have 

The monitoring, protection, preservation, maintenance of a natural area – this can include restoration, rehabilitation, and enhancement of that area. 

Materials found in the environment that are useful to people

Being friendly towards the environment- protecting, conserving, not harming. 

Another name for a renewable energy resource 

The clearing of forests to obtain lumber and provide space for either agricultural zones or urban development.

Any species (animal, plants, fungi, etc) where there is a limited number remaining which are threatened to become extinct.

When a species has completely died out.

Gases such as carbon dioxide, methane, and water vapor that trap the sun's energy and cause the greenhouse effect

Any substance or thing that has harmful or poisonous effects on the environment

A RENEWABLE RESOURCE is a natural resource that can be replaced at the same rate (quickly) at which the resource is consumed.

A resource that can never be replaced, takes thousands/millions of years, or is difficult to replaced.

The act of protecting and preserving natural resources.