6.+research

= __Research__ = == Waste is any material, solid, liquid or gas, that is unwanted and/ or unvalued, and discarded or discharged by its owner." == == This definition recognises that what one person or organisation regards as waste can be a useful resource when used again for a beneficial purpose. == = __landfill__ = == A landfill is a hole in the ground that contains household and industry waste. Landfills produce gases, one of these gases is called methane. Methane is harmful to the environment. There are two ways of dealing with methane gas, one of the ways is to burn it, this is called flaring. The second ways is to use it for power but it can only be used to generate electricity if there is enough gas (quantity) and the quality of the gas is good. == = __The Four R's__ = == There are Four main ways to reduce the amount of rubbish that ends up in landfill sites. They are sometimes called the four R's. == = __Refuse:__ = = Is to say "NO" eg. In a super market refuse to take a plastic bag. = = __Reduce__=

Is to make less rubbish eg. We can use both sides of a piece of paper.
= = = __Re-use__ =

Re-use is to use something again eg. We are recycling that means we are Re-using.
= __Recycling__ =