In many countries, the green roof industry is vulnerable to non-acceptance and a lack of understanding.

CNN: Green roofs cool cities, combat climate change, say Germans

"Non-acceptance would cause embarrassment to donor and U.S. government, " the report said in justifying its decision to send them to the national archives, rather than refuse them.

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It says sponsorship is subject to a 1% limit of the force's total annual income, and the acceptance of sponsorship for non-core police activities is intended to extend and enhance the force's service to the community.

BBC: Met Police got ?22.7m from sponsors, FOI request finds

Companies that can produce products that are sustainabl, but also cost and function the same as non-green competitors will find overwhelming market acceptance.

FORBES: No, Consumers Will Not Pay More for Green

This included setting up a spy network (known as The Sodality of Pius) to report any scholars and scientists suspected of believing things that most Catholics after Vatican II take for granted: freedom of religion, as well as respect for the traditions of non-Catholic faiths, and of course acceptance of the theory of evolution.

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