Denmark the 22 proposals have been agreed upon by a parliamentary majority. Denmark shares strong cultural and historic ties with its Scandinavian neighbours Sweden and Norway. It has historically been one of the most socially progressive cultures in the world. In 1969, Denmark was the first country to legalise pornography, and in 2012, Denmark replaced its "registered partnership" laws, which it had been the first country to introduce in 1989, with gender-neutral marriage. Modesty and social equality are important parts of Danish culture. The astronomical discoveries of Tycho Brahe (1546–1601), Ludwig A. Colding's (1815–88) neglected articulation of the principle of conservation
Planetary civilization modify the weather at will, harness the power of a hurricane, or have cities on the oceans. Although they roam the heavens in rockets, their energy output is still largely confined to a planet. On the Kardashev scale, the next status is Type II civilization, where a civilization consumes all the energy that their star emits, or about 10 watts. Michio Kaku in a book "Physics of the Future" suggests that humans may attain stellar civilization status in a few thousand years. Planetary civilization A planetary civilization or global civilization is a civilization of Type I on Kardashev scale, with