… tools and is recorded in the early history of many races. As interchangeable manufacturing and mass-production principles were developed, it became necessary to create machine tools capable of producing parts in large quantities. This report aims…

… an average increase in theEarth's temperature, which in turn causes changes in climate. So what's the big deal you ask? Well the big deal is, if temperatures rise above normal levels for a few days, it's no big deal, the Earth will stay more or less…

… people on their environment can be devastating. This is where the respective role of governments can make decisions that shape environmental policy and responsibilities. These governments can be broken up into four different levels: local, state, federal…

… of those factors which result in deterioration of a condition of the major components - atmospheres and hydrosphere At all stages of the development the person was very closely connected to world around him. But since has appeared a society, dangerous…

… the audience about some effects of global warming so that they are able to discuss the problem surrounding the global warming after my speech. Introduction: Humanity is conducting an unintentional, unrestrained and globally perversive experiment…

… What steps towards eliminating acid rain can be taken anyone? "Acid rain" is one of the worst air pollutants there are. It can come in two forms either wet or dry Acid Rain, a more correct way of saying is Acid Deposition. This deposition can…

… gained prominence in 1987 with the publication of the Brundtland Report: "Our Common Future", according to which: 'Sustainable development seeks to meet the needs and aspirations of the present without compromising the ability to meet those of the…

… talked about in the media, from the Koyto Protocol and climate change to the deforestation of British Columbia's temperate rainforest. The public is continually informed of the degradation that has and is occurring as well as the increase in protective…

… the location of habitation through out history. Witness all the great cities: Rome and Cairo to name but two are built on rivers: The Tiber and the Nile. The reason was the in history freshwater was important for drinking water, food, transport and…

… this planet. Imagine the dark clouds hanging over every town. The oceans swallowing our coasts, and deserts eating up our heartland. All of these things are caused by pollution, and that's what's in store for us if we don't change our ways. There are…