| http://www.w3.org/ns/prov#value | - The WWF proposes a couple of possible plans for exacting payment, either an international tax on all carbon emissions or ???a simple charge on rich countries,??? estimated at up to 1 percent of gross domestic product. ???The problem lies with rich countries such as the United States of America and Germany,??? the guide explains, ???who stick with coal-power projects when they have many other optio
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