Environmental Science
Introduction The term sustainable was development and introduced by the World Commission on Environment and Development (The Bru ...
pointed out that, “The earth provides enough to satisfy everyone’s need, but not everyone’s greed”. In the context of economical ...
194 ENVIRONMENTAL SCIENCE (i) Electricity Electricity from various sources is a major requirement of expanding cities, towns and ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 195 Millions throughout the ages. Earlier it was primarily used to support kitchens. Peopl ...
196 ENVIRONMENTAL SCIENCE season. The land area of the watershed drains into a common point. Hence, the drainage water can be ea ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 197 the ‘Ukai Nav Nirman Samity. Even so, out of a total of 18,500 affected families, only ...
198 ENVIRONMENTAL SCIENCE Rehabilitation should be collective In the villages, almost each’ family depends on the other. The soc ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 199 on the basis that human beings are also a part of nature and nature has many interdepe ...
200 ENVIRONMENTAL SCIENCE ecosystems, but in some cases the very habitability of the globe. We have to recognize that each of us ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 201 Climate has from the very beginning regulated man in practically every aspect of life ...
202 ENVIRONMENTAL SCIENCE severe problems for many natural and managed ecosystems. Indeed, for many low-lying and deltaic areas ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 203 The Greenhouse Effect is a natural phenomenon that plays a central role, in determinin ...
204 ENVIRONMENTAL SCIENCE and other greenhouse gases. Changes in global ozone are quite uncertain, and may have contributed to a ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 205 N 2 O 5 + H 2 O = 2HNO 3 Besides some HNO 2 is also formed N 2 O 3 + H 2 O = 2HNO 2 SO ...
206 ENVIRONMENTAL SCIENCE Closer to the ground, in the troposphere, ozone produced through a series of chemical reactions involv ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 207 and pea, squash and melon, and cabbage families. Plant responses to ultraviolet radiat ...
208 ENVIRONMENTAL SCIENCE (specific halons) each subject to different limitations. The protocol also distinguishes between two g ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 209 etc. Why land becomes degraded? Geological processes and anthropogenic activities are ...
210 ENVIRONMENTAL SCIENCE (ii) Improvement in soil — by mycorrhize (iii) Improvement of soil — through N 2 fixation (iv) Develop ...
ENVIRONMENTAL SCIENCE : SOCIAL ISSUES 211 There are several species of trees that exhibit moderate resistance to salinity that c ...
«
6
7
8
9
10
11
12
13
14
15
»
Free download pdf