Ollie Saves the Planet - Reduce, Reuse, Recycle and Rethink Info Section
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Agricultural problem that occurs when soil becomes salty and unfertile as a result of being irrigated with salty water, or from salts rising up to the surface of the ground with the water table.

Secondary consumers
Animals that eat primary consumers.

The waste and wastewater produced in homes and businesses that drains into the sewerage system.

Sewerage system
The entire system of sewage collection, treatment and disposal.

A non-metal element which is often used in making electronic circuits.

A precious shiny metal.

Stony waste matter separated from metals during the smelting or refining of ore.

Slow Combustion
The process of burning fuel in heaters or stoves slowly, without using much oxygen. This process produces a much larger amount of pollutants than normal burning.

The solid waste leaving wastewater treatment systems.

A facility used to separate a metal from its ore.

A colourless air pollution that occurs mostly in summer. It is produced when pollutants such as nitrogen oxides and organic compounds (produced by burning fossil fuels) react with sunlight in the atmosphere to form a gas called ozone.

Solar energy
Electricity produced by using photovoltaic cells to convert sunlight directly into electricity. Solar energy can also refer to heat produced by solar heaters using the energy of the sun.

Solar heater
Devices which use sunlight to directly heat water or air.

Living things of the same kind that are able to breed and produce healthy offspring.

Species diversity
The total variety of all the living species in a region.

A material containing bacteria which is used to start the composting process, eg dirt, manure or compost.

A hard, strong alloy (mixture) of iron with carbon and usually other elements. Steel is often used in packaging and construction.

The run-off from roads and backyards that ends up in the stormwater drains, and is eventually discharged into rivers or the sea.

A yellow element that burns easily, and is found in many minerals and petroleum.

Sulphur dioxide
A colourless toxic gas formed by burning fossil fuels, that contributes to air pollution and the formation of acid rain.

The ability to use resources now in a manner which will allow them to continue to be used in the future.

A practice which does not put the environment or future resources at risk.

Man-made. Synthetic products are often made to imitate natural products, eg synthetic rubber and synthetic oil.

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