the word ecology comes from the Greek root oikos , meaning home. The underlying idea is that the earth is a place of close relationships
Links:
[1] http://admin.indiaenvironmentportal.org.in/opinion/co-existing-harmony
[2] http://admin.indiaenvironmentportal.org.in/category/author/paul-wapner
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecology