Something that can decompose naturally and harmlessly in a reasonably short time is ___________.
biodegradable
Making new products from materials that have already been used is called .
recycling
__________________ are the gases that are bad for the atmosphere.
greenhouse gases
... can create nuclear waste, which is bad for the environment.
nuclear power
Gases in the atmosphere, especially carbon dioxide, that are causing the Earth's surface to get warmer are known as __________ gases.
greenhouse
The London Olympic and Paralympic Games will be ________ because they will cause little or no damage to the environment and the benefits will last for a long time.
sustainable
Energy that is ________ comes from sources that won't run out, like the sun or wind.
renewable
Sources of energy based on petroleum, such as gas, coal and oil are _________
fossil fuels
A person's/organisation's/country's contribution to greenhouse gases in the atmosphere is their ________ .
carbon footprint
(2) The decision is not easy, it is a ______________ to make.
major choice OR minor choice
(2) When fuels are burnt _______________ are released.
greenhouse gases OR carbon emissions
The interaction of living things in the area with each other and their environment is called ..... .
an ecosystem
(2) Driving less is a good way to
increase emissions OR reduce emissions
(2) The kettle uses a lot of power; it has a high
energy supply OR energy demand
Wind turbines produce energy using...
wind power
We use the phrase carbon ________ to describe the carbon dioxide that is released into the atmosphere by burning gas, coal or oil.
emissions
All of the electrics have stopped, there must be no ____________________ to them.
power/energy supply
The Eden project tries to be _______ with energy, which means that it tries to generate as much of the energy that it uses as possible.
self sufficient
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