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Glossary
Glossary

Help us build out the change-maker glossary and make sure terms like sustainability and green economy can become a part of everyone's vocabulary.

Answer
Glossary

When hot air rises it expands as the pressure is reduced. That expansion cools the air.

That is why thunderstorms develop on warm humid days. The warm air rises and as it cools the water vapor condenses into droplets or... (More)

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Glossary
Raul Crawford
Water Resources Specialist

You can’t avoid it but you can look carefully and be aware of it.

If something is advertised as “Green” it is usually a con. The clever wording is what fools you into thinking it is better than what you... (More)

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Glossary

Industrial civilization is destroying the planet in a variety of ways.

Consumers are trying to kill us. You are trying to kill us and you are doing very well. Human civilization will fall. I don’t want that to happen, but... (More)

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Glossary

E10 contains up to 10% Bio ethanol as opposed to E5 which is up to 5% bio-ethanol.

It might be expected that bio ethanol is carbon neutral: i.e. the carbon is absorbed when the source is grown and emitted when... (More)