Hydrological cycle or water cycle : This is a global circulation of water. (closed system) Closed system : This means that there is a fixed amount of water in the system. Stores 1. The atmosphere 2. The land 3. The sea Flows (or transfers) 1. Evaporation 2. Condensation 3. Overland flow 4. Throughflow Drainage basins : Every river has this system‚it is small-scale of hydrological cycle. (open system ) Open system : The amount of water in the system in the basin varies over time. Discharge
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action for their resolution. Currently‚ this act forms the policy framework for environmental intervention and management. The Ministry recognizes six priority environmental problems (Ministry environment 1999). These include soil degradation‚ deforestation‚ desertification‚ water pollution‚ air
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Man-made disasters are the consequence of technological or human hazards. Examples include stampedes‚ fires‚ transport accidents‚ industrial accidents‚ oil spills and nuclear explosions/radiation. War and deliberate attacks may also be put in this category. As with natural hazards‚ man-made hazards are events that have not happened‚ for instance terrorism. Man-made disasters are examples of specific cases where man-made hazards have become reality in an event. Global warming Global warming is
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Industrial Revolution Many things came to be at the turn of the 19th century‚ such as the Industrial Revolution‚ which brought many positive things to the world today. One of many positive effects was the lift off of innovative technology. Such as the telegraph and telephone. These inventions transformed communications in which sped up the sharing of important knowledge (Wyatt 112). Technology led to the development of mechanization in which another positive effect was the ability to mass-produce
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famine in Africa‚ S.America‚ Asia Rapid changes mean people don’t have time to adapt EG Amazon Water Shortages Poverty Economic shortage of water. Needed for people as well as crops/animals Food Insecurity The Challenge Challenge of Global Hazards for the Future More impacts – more food insecurity Conflicts over water crisis More vulnerable people plunged into poverty Environmental refugees More uncertainty – more extreme weather with more uncertainty. Rising temperatures and changing
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has become a frequent phenomenon throughout the world that can affect anyone‚ anywhere‚ anytime. Every year more than 200 million people are affected by flood‚ drought‚ earthquake‚ wild fire‚ cyclones and other hazards. The trends in recent decades show an increase in number of natural hazards and an increase in the number of affected populations‚ since more and more people are becoming vulnerable to disaster of all type. The world disaster report reveals that from 1994 to 98 average disasters per year
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Haiti has dealt with ongoing environmental issues prior to the 2010 disaster. Deforestation (beginning in the 1950s) caused soil erosion and threatened clean water sources (Fritz‚ Hillaire‚ Molière‚ Wei‚ & Mohammed‚ 2012). Several theories suggest that extreme deforestation and soil erosion could have possibly contributed to the vertical slippage of plates due to the increased water weight on the plates (Ader‚ 2011) (Wdowinski‚ Tsukanov‚ Hong‚ & Amelung‚ 2010). Coincidentally‚ prior to the earthquake
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Section14 What Is The Forest Elimination Definition According to Deforestation threats (n.d.)‚ forests overspread 31% of lands around the world which they benefit to any species such as providing habitats and producing food products. However‚ in the present day‚ forests are threatened by deforestation which occurs in many countries‚ but mostly in Europe‚ North Africa‚ and the Middle East (Thoreau‚ 2010). The word ‘deforestation’ refers to human’s activities such as clearing lands and cutting trees
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aren’t natural‚ based on the last century’s recorded extinctions‚ the current rate of extinction is 100 times the background rate. Humanity’s impact on the earth has increased extinction rates ; for instance‚ habitat destruction ‚ pollution ‚ deforestation ‚ unsustainable hunting and illigal wildlife trade. Animal are part of our ecosystems‚ not only they contribute to the ecosystem and maintain the balances of the ecosystems. If the other animals and plants went extinct it will certainly
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Environmental Fundamentals Tara Howe ENV/100 Tolulope Awosika March 4th‚ 2013 Environmental Fundamentals In the year 1800 the human population on earth reached 1 billion. In 200 years‚ the population soared to 6 billion (Berg & Hager‚ Chapter 1‚ 2009). With industrialization and technologies developed in those 200 years‚ humans have been depleting the earth’s natural resources at an alarming rate. Environmental science is the branch of science concerned with
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