Benfits Of Global Warming

Benfits Of Global Warming

Throughout the history of the earth the climate has often changed but predicting future changes on the time scale of decades or centuries by using numerical models will never work. Just look at numerical weather prediction models. It is hard to predict a week ahead, and these models are particularly weak when they attempt to call a change in the weather. If we cannot reliably call the turn in the weather 48 - 72 hours out, how can we possibly suggest that global climate models could have any validity over centuries. Models are good at one thing--solving equations. Models cannot account for variables not programmed into them. In the case of climate, some variables that cause problems include: clouds, aerosols, biologic activity, dust, land use, and carbon reservoirs such as: land plants, soil, atmosphere, oceans, & fossil fuels. To repeat myself, models are good for solving equations, period. Whatever you believe about the future of the climate, do not believe model predictions

If you believe today's press, nearly all the world's respectable scientists believe that mankind is causing the atmosphere to warm, and the temperature increase will lead to disastrous consequences for animals and man.  Furthermore, only man can "save the planet", by costly methods and by putting man's environment ahead of the interests of man himself.  Could it be possible that rising atmospheric temperatures are good for humanity?  Over the earth's history, the climate has always changed, warming and cooling. At the present time, we are in a slow warming trend overlain by constant temperatures for the last decade. Reason tells us that atmospheric warming is better than atmospheric cooling, because it is easier to adapt to warmer temperatures than to cooler ones. In the light of reason, the quote above from Mr. Gore is absurd.

However, according to the EPA, "The common view that the environment is deteriorating in almost all respects is not justified. Several important trends are moving favorably as a result of applications of science and technology as well as behavioral and policy shifts in both developing and industrialized countries. For example, energy intensity, the source of major environmental problems when fuels are dirty, is decreasing, and the fuel mix is decarbonizing, signifying a shift to cleaner sources."

When have you heard an environmentalist propose a solution (not goal) that did not hurt people or business? Goals such as clean air and water are good; solutions that hurt people, cost money, resources, and the expenditure of great effort by man should be subjected to a cost/benefit analysis. Note that only CO₂ emissions from transportation and electricity generation are addressed.



Effects of global warming

Effects of global warming

The impacts of climate change across world population will not be distributed evenly (Smith et al., 2001:957). Some regions and sectors are expected to experience benefits while others will experience costs. With greater levels of warming (greater than 2–3°C by 2100, relative to 1990 temperature levels), it is very likely that benefits will decline and costs increase (IPCC, 2007b:17). Low- and less-developed areas are probably at the greatest risk from climate change (Schneider et al.., 2007:781). With human systems, potential for climate change impacts is considerable, although the costs of adaptation are largely unknown and potentially large. In a literature assessment, Schneider et al.. (2007:792) concluded, with high confidence, that climate change would likely result in reduced diversity of ecosystems and the extinction of many species.

This article is about the effects of and The effects, or impacts, of climate change may be physical, ecological, social or economic. Evidence of observed climate change includes the instrumental temperature record, rising and decreased snow cover in the According to IPCC (2007a:10), "[most] of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in [human concentrations". It is predicted that future climate changes will include further global warming (i.e., an upward n global mean temperature), sea level rise, and a probable increase in the frequency of some Signatories of the have agreed to implement policies .

designed to reduce their emissions of greenhouse gases.

HISTORY OF GLOBAL WARMING

History of global warming

Signs of climate change are everywhere. Nineteen of the planet's 20 hottest years on record took place in the 1980s or after. Rivers and lakes are thawing earlier each spring. Animals and plants are moving to higher elevations. The Arctic is heating up twice as fast as anyplace else in the world and polar bears are going hungry. Pacific islands such as Tuvalu are in danger of being swallowed by the sea and becoming a modern-day Atlantis. If people don't slash the amount of greenhouse gas emissions being pumped into the atmosphere , experts predict the planet's average temperatures could rise anywhere from 3 to 9 degrees Fahrenheit over the next century, with devastating results. According to the National Resources Defense Council (NRDC), "Sea levels will rise, flooding coastal areas. Heat waves will be more frequent and more intense. Droughts and wildfires will occur more often. Disease-carrying mosquitoes will expand their range. And species will be pushed to extinction."

For years, scientists, politicians and others debated what role, if any, people played in global warming, but today there is consensus among the majority of the scientific community that humans are to blame for the accelerated rise in greenhouse gases. In February 2007.

Global warming will bring more extreme weather. Drought-prone areas will become drier and desertification will spread as higher temperatures squeeze more moisture from the soil. A 2007 United Nations Intergovernmental Panel on Climate Change report predicts that by 2020, between 75 and 250 million Africans will be vulnerable to water shortages caused by global warming. Additionally, as the world's glaciers—such as the Himalayas i

Climate change also poses a big threat to human health. Warmer temperatures could lead to an increase in heat exhaustion, respiratory problems and lung damage from higher concentrations of ground-level ozone, according to the U.S. Environmental Protection Agency (EPA). Higher temperatures will also put people at greater risk for certain infectious diseases, especially those that occur in warm regions and are transmitted by mosquitoes and other insects. "These 'vector-borne' diseases include malaria, dengue fever, yellow fever, and encephalitis.

" The report continues: "Large-scale migrations from Africa to Europe are already on the increase at least in part because climate change has made traditional livelihoods, from farming to fish

Over the last 425,000 years, the concentration of CO2 in the Earth's atmosphere has fluctuated between 175 ppm (parts per million) and 300 ppm. At the dawn of the Industrial Revolution, the amount was around 280 ppm. The current number is approximately 380 ppm—and rising. Scientists have identified 450 ppm as a critical tipping point and predict that exceeding this number could cause irreversible damage to the planet



Soil pollution

Soil pollution



The concern over soil contamination stems primarily from health risks, from direct contact with the contaminated soil, vapors from the contaminants, and from secondary contamination of water supplies within and underlying the soilMapping of contaminated soil sites and the resulting cleanup are time consuming and expensive tasks, requiring extensive amounts of and kills.

Soil contamination (soil pollution) is caused by the presence of human-made) chemicals or other alteration in the natural soil environment. This type of contamination typically arises from the rupture of application of percolation of contaminated surface water to subsurface strata, oil and fuel dumping, leaching of wastes from or direct discharge of industrial wastes to the soil. The most common chemicals involved are petroleum, pesticides, lead and other This occurrence of this phenomenon is correlated with the degree of industrialization and intensities of chemical usage.

The immense and sustained growth of the since the 1970s has exacted a price from the land in increased soil pollution. The believes it to be a threat to the environment, to food safety and to sustainable agriculture. According to a scientific sampling,150 million mi (100,000 square kilometers) of China’s cultivated land have been polluted, with contaminated water being used to irrigate a further 32.5 million mi (21,670 square kilometers) and another 2 million mi (1,300 square kilometers) covered or destroyed by solid waste. In total, the area accounts for one-tenth of China’s cultivatable land, and is mostly in economically developed areas. An estimated 12 million tonnes of grain are contaminated by heavy metals every year, causing direct losses of 20 billion yuan (US$2.57 billion

It is in and that the extent of contaminated land is most well known, with many of countries in these areas having a legal framework to identify and deal with this environmental problem; this however may well be just the tip of the iceberg with developing countries very likely to be the next generation of new soil contamination cases.

land pollution

Land Pollution

Insecticides are used to rid farms of pests which damage crops. The insects damage not only standing crops but also stored ones and in the tropics it is reckoned that one third of the total production is lost during food storage. As with fungicides, the first insecticides used in the nineteenth century were inorganic e.g.Paris Green and other compounds of arsenic. Nicotine has also been used since the late eighteenth century.

methyl parathion and about 40 other insecticides are available nationally. Parathion is highly toxic, methyl-parathion is less so and is generally considered safe as it has low toxicity and is rapidly broken down in the mammalian liver. This group works by preventing normal nerve transmission as cholinesterase is prevented from breaking down the transmitter substance acetylcholine, resulting in uncontrolled muscle movements.

Land pollution is the degradation of Earth's land surfaces often caused by human activities and their misuse of land resources. It occurs when waste is not disposed properly. Health hazard disposal of urban and industrial wastes, exploitation of minerals, and improper use of soil by inadequate agricultural practices are a few factors. and are major causes of land pollution. The Industrial Revolution set a series of events into motion which destroyed natural habitats and polluted the environment, causing diseases in both humans and other species of animals.





Food production

Food production

It is challenging to find an inclusive way to cover all aspects of food production and sale. The a government body in the UK, describes it thus:

"...the whole food industry – from farming and food production, packaging and distribution, to retail and catering."

The Economic Research Service of the USDA uses the term food system to describe the same thing:

"The U.S. food system is a complex network of farmers and the industries that link to them. Those links include makers of farm equipment and chemicals as well as firms that provide services to agribusinesses, such as providers of transportation and financial services. The system also includes the food marketing industries that link farms to consumers, and which include food and fiber processors, wholesalers, retailers, and foodservice establishments

Agriculture is the process of producing food, feed, fiber and other desired products by the cultivation of certain plants and the raising of domesticated animals (livestock). The practice of agriculture is also known as "farming", while scientists, inventors and others devoted to improving farming methods and implements are also said to be engaged in agriculture. More people in the world are involved in agriculture as their primary economic activity than in any other, yet it only accounts for four percent of the world's GDP.

The food industry is a complex, global collective of diverse that together supply much of the consumed by the Only those who survive on what they grow, can be considered outside of the scope of the modern



Electricity

Electricity

In general usage, the word "electricity" adequately refers to a number of physical effects. In scientific usage, however, the term is vague, and these related, but distinct, concepts are better identified by more precise terms:

Electrical phenomena have been studied since antiquity, though advances in the science were not made until the seventeenth and eighteenth centuries. Practical applications for electricity however remained few, and it would not be until the late nineteenth century that were able to put it to industrial and residential use. The rapid expansion in electrical technology at this time transformed industry and society. Electricity's extraordinary versatility as a source of energy means it can be put to an almost limitless set of applications which include, and. Electrical power is the backbone of modern industrial society, and is expected to remain so for the foreseeable future. Electricity (from the ēlectricus, "amber-likeis a general term encompassing a variety of phenomena resulting from the presence and flow of These include many easily recognizable phenomena, such as and but in addition, less familiar concepts, such as the and induction.