Nature

Rally for rivers is an intiative taken by Shri Sadhguru. Nature Ganga Brahmaputra Sutlej

Animals are eukaryotic, multicellular organisms that form the biological kingdom Animalia. With few exceptions, animals are motile, heterotrophic; they reproduce sexually, and their embryonic development includes a blastula stage.  

This is very beautiful.  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 part of science .