These drums were believed to disintegrate and release the harmful agents almost instantly due to heavy pressures of deep water. Not only are radioactive wastes disposed of at sea, but nuclear weapons are being tested over the oceans and the products of these weapons are falling into the water. ... Less than one century ago, it would have been difficult to imagine that humans could significantly pollute these vast bodies of water. ... These types of changes are potentially dangerous because it affects how pollution will be regulated, and this has a detrimental effect on the world. ... In th...

• Word Count: 2562
• Approx Pages: 10
• Has Bibliography

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. ... Algae can grow in different water environments, such as freshwater, sewage and saline. ... The principle of the open ponds essentially supplies microalgae strains into the natural water sources (lakes, ponds) or artificial water environment, allowing natural photosynthesis and providing inorganic nutrients to enhance growth. ... Water temperature is advised to maintain within 60-80 oF for opt...

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

The use of wind power in Cuba is extensive, and there are more than 8000 windmills for mechanical water pumping currently operating along with many small wind turbines. Since the majority of Cuban windmills are used for water pumping, the Cuban wind potential has not been sufficiently studied from the perspective of electricity generation, although some wind zones have been detected that offer good possibilities. ...

• Word Count: 2687
• Approx Pages: 11
• Grade Level: Undergraduate

In addition, the energy recovered in the form of heat is utilized directly to heat the plant and to supply hot water, as well as supplying heat to nearby homes and community facilities such as swimming pools, botanical gardens, care homes and meeting places. ...

• Word Count: 4698
• Approx Pages: 19
• Has Bibliography
• Grade Level: High School