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Focuses on the changes which men had made in their natural environment. Transformations which had accompanied the growth and expansion of civilization; Migration and dispersion of human beings and their domesticated plants and animals throughout the habitable parts of the earth; Contrasts between the environments inhabited by civilized people and those inhabited by primitive people.

The article presents the author's view on issues concerning the environmental crisis. He cites that pollution abatement is the biggest growth industry in the 1970s and polluters are into abatement business in a big way. According to the author, there is an urgent need of worldwide zero population growth or in some places of a negative population growth, of zero economic growth, and of a negative system of technological development. The author contends that the teaching of science plays an important role to orient people on the impact of environmental crisis.

This article presents a review of the research study on the vegetation of the Tooele Valley in Utah. The said research was conducted by T.H. Kearney, L.J. Briggs, H.L. Shantz, J.W. McLane and R.L. Piemeisel and is titled "Indicator Significance of Vegetation in Tooele Valley, Utah," published in the "Journal of Agricultural Research." The review also includes the results and brief explanation and analysis of data gathered by the researchers in their research. Focus was given on quantitatie determinations for measurable environmental factors.