Present Day Atmosphere The atmosphere we breathe is a relatively stable mixture of several hundred types of gases from different origins. ... Urban and Regional Air Pollution What are the main pollutants in our air and how do they affect our health? ... Studies by CSIRO scientists have found that there are several types of particles present in haze in Australian cities: organic carbon compounds, elemental carbon or soot, salt, sulfates, nitrates and dust. ...

• Word Count: 2950
• Approx Pages: 12

Science has forever been trying to analyze the earth, and find out what is wrong with it. Questions were raised as to why things happen on Earth the way they do. One of these questions is, "How does the earth act the way that it does?- Science has many different theories on it. One of these is th...

• Word Count: 2564
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School

Several factors can affect the emissions per person in a state, for example, the types of fuel used to generate electricity, population and vehicle miles traveled ,and whether fossil fuels are extracted or processed within the state. ... The other 68% of emissions are affected more by the types of industries in the U.S., the types of offices we use, how our food is grown, and other factors. ... Many of these places depend on a delicate balance of rainfall, temperature, and soil type. ... Indirectly, ecological disturbances, air pollution, changes in food and water supplies, and coastal floo...

• Word Count: 3240
• Approx Pages: 13
• Grade Level: Undergraduate

As part of this planet, we should find some type of solution for what causes global warming. ... There are two types of hydroelectricity dams called dams and run-of-river, or water-diversion. But both types of dams have serious environmental effects. ... But in return air, chemical, water, or thermal pollution would not be present" ("Wind, Water, Sun, or Coal"). ...

• Word Count: 3357
• Approx Pages: 13
• Grade Level: High School

Our current society struggles from fossil fuel shortage and pollution, which call for explorations of different types of energy and multiple ways to produce clean energy for daily and industrial uses. ... Two types of algae include macroalgae and microalgae. ... Microalgae are single-celled and smaller types with strong photosynthesis capacity. ... More than 20,000 types of microalgae are identified in the ocean and freshwater (Wang 2013). Microalgae can grow in various types of waters, such as sea saltwater, alkaline and also waste water, making it advantageous to produce energy in areas wi...

• Word Count: 3194
• Approx Pages: 13
• Has Bibliography
• Grade Level: Graduate