The giant snakehead is an invasive species brought from the rapids of the Yangze river in China. Its abnormal size and agression for a freshwater fish makes it very dominant in the fresh water ecosystems. They have no natural predators, and their numbers are rapidly increasing and have become illegal in Canada and the US.

This oil spill in the atlantic ocean possibly was caused by human error. Or possibly caused by a bursting oil line. It effects the ecosystem dramatically as oil will destroy the foodchain, effecting tons of animal and birdlife. Along with marine life.

acid rain

causedby acid in the atmosphare condenced and then rained down on to people forrests and aminals this photo shows the effect of acid rain on a forrest see how all the tress in the area are all dead and striped down to their core

Tropical deforestation is becomming increasingly common in the rainforest. As teak and mohogany hardwoods are becomming very popular in the northern parts of the world.

Solar energy sources are very benificial as they are a clean, renewable resouce that will always be available. Unfortunatly, solar power sources are intermitant, and panals are difficult and expensive to produce.

Pros and Cons on Recycling

• PROS: Reycling lowers costs because materials are made from reycled products.


• Recycling avoids the cost of moving garbage barges and incineration.
  Reycycling helps the earth because we are using old materials rather than depleting the earth stock.

CONS: Costs money becuase of the transportation and processing costs.
Uses money because of the machinery needed in order to recycle materials.
Recycling also uses energy and can also pollute the earth because of the fumes produced by incineration and the machinery they use.

Incineration

This is a garbage incinerator inside of an African slum. High heat and flame are used to burn and destroy garbage to take up less room in landfills. The fumes let off by burning chemicals in the garbage combined with the smoke contribute to air pollution worldwide.

The heartland landfill is a huge landfill based in Victoria British Columbia. It houses mass amounts of waste and is filling up fast. Toxic matterials from the waste are slowly creeping into the surrounding area, toxins such as mercury and cadmium.

• landfills
• waste storage large holes in the ground filled with all forms of garbage
• Plus side ) quick and easy disposal of waste
• neg side)no decomp takes hundreds of years for the waste to go back to its natural state... poision animals from runoff/ waste on surface

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Landfill Disposal- Effects on the Environment

Landfill disposal pollutes the environment. It contaminates the ground water by leakage and residual soil contamination during landfull usage as well as after landfull closure. Also, offgassing of methane generated by decaying organice wastes and harbours disease through rats and flies.

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Disadvantages:

-the unreliability factor which is because which is because in some areas the wind strength is too low to support a wind turbine

-generally produces a lot less power than other power sources, requirng multiple turbines in order to make an impact

-construction can be very expensive and costly to surrounding wildlife during the build process

-noise pollution

-not everywhere has the space to build several wind turbines

Advantages:

-no fossil fuels are burnt

-take up less space then the average power station

-newer technologies are making the extraction of wind more efficient

-great for developed and developing countries

Incineration

This is a picture of incineration. Incineration is a waste disposal process that involves the combustion of organic substances contained in waste materials. Incineration has negative effects, such as Co2 and other emmisions. Overall incineration puts out a lot of pollution which negatively effects the environment.

compost is organic matter that has been decomposed and recycled as a fertilizer and soil amendment. Compost is a key ingredient in organic farming. At its most essential, the process of composting requires simply piling up waste outdoors and waiting a year or more. Modern, methodical composting is a multi-step, closely monitored process with measured inputs of water, air,carbon, and nitrogen rich materials. Compost can be rich in nutrients. It is used in gardens, landscaping, horticulture and agriculture