ICF's (Insulating Concrete Forms) – Lightweight blocks, commonly made of expanded polystyrene or extruded polystyrene that are filled with concrete and remain in place to provide thermal insulation for concrete walls.

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Green/Going Green – Striving to live a more sustainable life.

Environmentally Friendly/Eco-friendly – Used to refer to goods and services considered to inflict minimal harm on the environment.

Organic – Refers to the way agricultural products – including foods and fibers such as cotton – are grown and processed. The word "organic" on the label stands for a commitment to an agriculture which strives for a balance with nature, using methods and materials which are of low impact to the environment.

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