This page contains brief definitions of terms, concepts and words that are related to renewable energy, recycling and the other themes of this blog. Many of them are explained further or elaborated upon in posts – feel free to use our search box to find more on a specific term.
The variation and number of different life forms within a given ECOSYSTEM.
Biological material and/or waste that can be converted to something we can burn to produce energy.
Total greenhouse gas emissions – direct or indirect – caused by an individual, organization, event or product.
Over time removing the same amount of greenhouse gas from the atmosphere as is put in.
Changes to the Earth’s temperature and weather conditions – widely assumed to be related to pollution.
The transfer of heat by direct contact between solid objects.
The transfer of heat between a liquid or gas in motion and a nearby solid surface.
All plants, animals and micro-organisms in a given area and their interactions with their environment.
The total energy spent in a product’s entire life cycle, including raw material extraction, transport, manufacture, installation and disassembly/deconstruction/decomposition.
A material’s ability to radiate absorbed energy.
In waste management terminology, a fraction is a subtype of trash. Examples: paper, organic, glass.
An increase in the temperature of the Earth’s atmosphere due to greenhouse gases trapping heat.
Gases that, when released to the Earth’s atmosphere, will prevent heat from escaping to space.
See THERMAL MASS
The transition of heat from a hot object to a cooler object.
Electricity generated by using the gravitational force of flowing or falling water.
The production or growing of one single crop across a wide area.
The transfer of heat through empty space.
A measure of the thermal resistance in insulation materials – a high R value indicates effective insulation.
The capacity of an object to store heat.
A rotary engine that extracts energy from the flow of a fluid – most commonly water.
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