the protection of natural things such as animals, plants, forests etc, to prevent them from being spoiled or destroyed

very great tiredness

a very strong belief or feeling about something

something such as useful land, or minerals such as oil or coal, that exists in a country and can be used to increase its wealth

not interested in something, and not willing to make any effort to change or improve things

to encourage someone by making them feel confident and eager to do something

eagerness and willingness to do something without needing to be told or forced to do it

to understand or think of something or someone in a particular way

when you decide not to have something valuable, in order to get something that is more important