Peter IV of Aragon (1319-1387), king of Aragon (1336-1387), the Ceremonious or el del punyalet (the one of the little dagger). He deposed the kings of Majorca[?] and rejoined the Balearic Islands
and Roussillon under the crown of Aragon. He wrote the Chronicle of his name.
... proposed taxes on energy sources which emit carbon dioxide into the atmosphere. The purpose of the tax is both financial and environmental.
Such a tax could financ ...