Losing Continents
Climate change scientists tell us what we may lose in the future. Already they reckon the ozone hole is as large as Antarctica.
I learned from my gardening teacher, Klaus Lautenberger, that we have lost soil the size of North America. We lose it through wind and rain. Remember the Grapes of Wrath? John Steinbeck’s classic told the economic and personal dislocation experienced by the climate catastrophe experienced in the American Midwest during the Great Depression of the early 1930s.
One of my fellow students exclaimed, “But then soil is more costly then oil!”
Yes, soil is precious. In Ireland we have lost a huge amount through lashing rain and bellowing wind. We use wind turbines to create renewable energy quite efficiently here in the Northwest. After a heavy rain the streams …

Looking closely at biodiesel, we find that its physical and chemical properties are very similar to petroleum based diesel fuel in terms of operation in compression ignition engines (diesel engines). Therefore, biodiesel can be used in diesel engines without expensive alterations to the engine or fuel system.
When it comes to listing the advantages of biodiesel, there are many and advocates say these include low emissions, better scent, and higher lubricity. According to a DOE report, biodiesel has a lower energy content than regular diesel, but performs as well as diesel when mixed with diesel in blends of up to 20 percent.
The possibility of bio-diesel has been around for a long while, but it is only now, as oil appears scarcer and less secure that people are starting to invest in …

If you have been looking into biodiesel and trying to find out what it is, how it is used and what benefits it offers then you have likely been told that biodiesel is a great choice. In fact, you probably have been bombarded with people saying how great it is and how you should switch today.
It can be overwhelming and hard to get past the hype and see what biodiesel is all about. However, learning as much as possible is important. You want to protect your investment and not just use any old fuel in your vehicle. You want to be sure biodiesel really is a good choice and not just take the word of some people you don’t know.
Problems with Current Options
Biodiesel fuel is already sold on the market. …

Clean air is a basic precondition of our health. However, most of us living in United States and other developed countries suffer from exposure to many air pollutants that put our health at risk. Air pollution affects our health in different ways from simple to serious problems. For example, particulate matter in the air decreases life expectancy according to many researchers; Pollutants such as ozone irritate people’s breathing, trigger asthma symptoms and cause lung and heart diseases; exposure to environmental tobacco smoke causes many severe respiratory health problems such as asthma and lung cancer. Prolonged exposure to certain air pollutants can even cause human infertility according to recent medical researchers.
Air pollution and its effects on health
Air pollution effects greatly human health, mainly the respiratory and cardiovascular system. The individual reactions …