Conservation
Conservation is the preservation or efficient use of resources (in an efficient or ethical manner), or the conservation of various quantities under physical laws.
International
International mostly means something (a company, language, or organization) involving more than a single country. The term international as a word means involvement of, interaction between or encompassing more than one nation, or generally beyond national boundaries. For example, international law, which is applied by more than one country and usually everywhere on Earth, and international language which is a language spoken by residents of more than one country.
Nature
Nature, in the broadest sense, is the natural, physical, or material world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are part of nature, human activity is often understood as a separate category from other natural phenomena.
Nature
Because God created the Natural – invented it out of His love and artistry – it demands our reverence.
C.S. Lewis (1898-1963), God in the Dock, 1948.
Nature
How hard it is to hide the sparks of Nature!
William Shakespeare, Cymbeline (1611), Act III, scene 3, line 79.
Nature
See one promontory (said Socrates of old), one mountain, one sea, one river, and see all.
Robert Burton, The Anatomy of Melancholy (1621), Part I, Section 2. Memb. 4. Subsec. 7.