vichitra kumar sharma (4 resultados)

Contents Preface 1 Introduction to Natural History 2 Earth Science and Ecology 3 Natural Philosophy and Metaphysical Naturalism 4 Role of Nature 5 Positivism Philosophy and Religious Naturalism 6 Conservation Movement 7 Empiricism and Sociological Naturalism 8 Wilderness 9 Sustainable Agriculture 10 Gaia Hypothesis 11 Natural Capital and Sustainable Development IndexNatural history is the systematic study of any category of natural objects or organisms That is a very broad designation in a world filled with many narrowly focused disciplines so while modern natural history dates historically from studies in the ancient Greco-Roman world and then the medieval Arabic world through to the scattered European Renaissance scientists working in near isolation todays field is more of a cross discipline umbrella of many specialty sciences that like geobiology have a strong multi-disciplinary nature combining scientists and scientific knowledge of many specialty sciences jacket 276 pp.

tables Ilustrador. Contents Preface 1 Ecosystem and environment 2 Attribution of recent climate change 3 Carbon and environment 4 Anthropogenic 5 Greenhouse gases 6 Atmospheric dispersion models 7 International environmental agreements 8 Environmentalism 9 Emission standards 10 Global dimming 11 Light water reactor sustainability programme 12 Emission standard 13 Fossil fuel 14 Legal regulations IndexAn ecosystem is a natural unit consisting of all plants animals and micro-organisms biotic factors in an area functioning together with all of the physical abiotic factors of the environment Ecosystems can be permanent or temporary An ecosystem is a unit of interdependent organisms which share the same habitat Ecosystems usually form a number of food webs Ecosystem services are fundamental life-support services upon which human civilization depends and can be direct or indirect Examples of direct ecosystem services are pollination wood and erosion prevention jacket 288 pp.

Contents Preface 1 Introduction to global warming 2 Atmospheric sciences 3 Climatic variations 4 Medieval warm period 5 Global cooling and climate model 6 Global warming potential 7 Ice age and ice core 8 Pacific climate variability 9 Heiligendamm process 10 Pacific decadal oscillation 11 Climatology 12 Desertification and attribution IndexSocial and economic effects of global warming may be exacerbated by growing population densities in affected areas Temperate regions are projected to experience some benefits such as fewer cold-related deaths A summary of probable effects and recent understanding can be found in the report made for the IPCC Third Assessment Report by Working Group II The newer IPCC Fourth Assessment Report summary reports that there is observational evidence of an increase in intense tropical cyclone activity in the North Atlantic Ocean since about 1970 in correlation with the increase in sea surface temperature but that the detection of long-trends is complicated by the quality of records prior to routine satellite observations 284 pp.

Contents Preface 1 Introduction to pollution 2 Air pollution 3 Noise pollution 4 Water pollution 5 Soil contamination 6 Landfill 7 Acid rain 8 Atmospheric chemistry 9 Ship and smog pollution 10 Acoustic noise 11 Lowest achievable control technology Index Pollution is the introduction of contaminants into an environment that causes instability disorder harm or discomfort to the ecosystem ie physical systems or living organisms Pollution can take the form of chemical substances or energy such as noise heat or light energy Pollutants the elements of pollution can be foreign substances or energies or naturally occurring when naturally occurring they are considered contaminants when they exceed natural levels Pollution is often classed as point source or non point source pollution The Blacksmith Institute issues annually a list of the worlds worst polluted places 268 pp.