Ensuring the green products you specify really are green can be a difficult task. Manufacturers all make claims about how 'eco' and 'green' their products are and seeing through the initial greenwash can be tricky. How can architects and specifiers confidently select materials and products with certainty that their environmental performance is really as specified? There are myriad certification schemes out there which can help. Here we take a look at a few of the well-known and not so well-known ones.
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