Within the site link above, you will see the signatories to the proposed world government. These individuals are either socialists or activists for social engineering. For example, Lucile Green, a long-time world government activist and friend of Robert Muller, describes this new "planetary agenda" in her memoir, Journey To A Governed World:
"A wholistic, one-world view is emerging from space travel and other miracles of modern technology and from communication. A new consciousness is also emerging from a growing awareness in the West of the wisdom of the Eastern world-view. Buddhism, Hinduism, Taoism and Shinto, while they differ in many respects, portray the world as a multi-dimensional, organically interrelated eco-system of which man is one of many inter-dependent parts. Perhaps we can learn through them to see the world whole, as it really is, and together - West and East - begin to build the foundations of a new world order.
"The most urgent item on the planetary agenda is to set the limits of freedom and order in supra-national, global affairs. A constitution for the world is needed which combines the achievements of both hemispheres: that is, constitutional limitations and a bill of rights from the West and a spacious world-view from the East." Apparently she got what she wanted.