Environmental Issues

Section one Toxic Chemical Threat Toxic chemicals are present all around us. The impacts that they have on humans depends upon, among other factors, the duration and dose they are administered. We cannot prevent usage of these chemicals altogether since they are vital ingredients to many of our possessions. One such chemical which is present in small amounts in our environment is Benzene. Its threat level can be assessed from the fact that its traces have been located in at least 1,000 of the 1,684...

The feature article A safe operating space for humanity is an introduction to the concept of scheming of our planets environment so as to maintain the so called Holocene period wherein the environment remained stable despite human interference. It is apparent that the so called environmental stability is under threat due to Industrial revolution over the years and a new era termed as Anthroprocene is now determining the global environmental changes. The Earth system could be or is already outside...

Solid waste management has become a big and important issue to many economies in the world. There is need to ensure a well-planned solid management strategy so that the problem of solid waste accumulation which can lead to more problems such as health problems and environmental degradation can be avoided. This paper seeks to examine the solid waste management in China and Canada Introduction Natural resources endowed to any country are of great importance for economic development. However, economic...

MSU Dairy Farm 1.  What do they feed cows at the farm Why can cows digest things humans cannot Aside from grass, cows are fed a scientifically formulated and balanced diet consisting of hay, grains, protein sources and other vitamins and minerals.  At times they are also given recycled ingredients such as citrus pulp, brewers mash and whole cottonseed.  Cows also consume a lot of water, up to as much as 25 to 50 gallons in a day. Cows can digest things humans cannot because their...

The devastating effects of maritime oil pollution are often neglected in the media due to the remoteness of the events from major population centers. While major oil spills such as the Exxon Valdez off the Alaska coast in 1989 released nearly 11 million gallons of North Slope crude oil into the waters of south central Alaska, and more recently, the explosion of an oil rig in the Timor Sea between Australia and Indonesia have made headlines, it is often deliberate pollution by international cargo...

Water pollution is the contamination of water with impurities, disease germs or foreign bodies.  Water pollution in most cases occurs during water harvesting, water conveyance or even storage.  If rain water is tapped effectively, conveyed in the correct channels and stored in clean storage media, then it is safe for consumption because it has low content of mineral impurities.  Surface water water from rivers, lakes and canals may be contaminated through flowing on contaminated surfaces...

Vehicles which use more than one distinct power sources to move them are referred to as hybrid vehicles (Jill, 2008). They are powered with gas and have electrical motor assist. The electrical motor assist has rechargeable nickel-metal hydride battery pack (Haber, 2008). Sources of power for hybrid vehicle include Diesel or Petrol fuel, Hydrogen, wind, electricity, outboard or on-board rechargeable energy  storage system, compressed air, compressed or liquefied natural gas, solar, wood, coal,...

This applied dissertation will seek to explore the viability of the use of sulphur filters in merchant vessels. Emphasis will be centred on fuel usage in these vessels given that it is the kind of fuel used that determines the magnitude of sulphur dioxide pollution. This means that the merchant vessels are major emitters of sulphur compounds into the atmosphere as compared to the other modes of transport. It is important to note that the shipping industry contributes a lot to air pollution and if...