Top-rated
Tue, Nov 20, 2012
Dallas Campbell visits cities to demonstrate and experience how human building activities, mainly there, changes our environment. Dhubai's highest building is the pinnacle of a long dream of scraping the sky even higher, which took a huge flight in a century thanks to advanced engineering, new materials and aerodynamics. Mexico city poses an extreme case of mega-efforts required for public facilities, such as sewage disposal. China over the latests decades dwarfs all records in urban expansion, which already houses half of the world population, yet on 'only' one percent of the land mass.
Top-rated
Tue, Nov 27, 2012
Besides living, humanity also throughly transforms the planet for its ever increasing transport needs. In a few decades, China overtook even the US in building land roads, including bridges, tunnels etcetera. Shipping containers allowed multiplying far export manifold, m-turning the world into a single commercial market. Air transport shrunk distances for personnel travel, even space is becoming a 'regular' transport option.
Top-rated
Tue, Dec 4, 2012
Besides homes and transport, population growth itself requires humanity to change its home planet ever more drastically. Food production has increased and mutated as never before, with new techniques allowing previously barren areas to become world class exporters of major produces. Key to all engineered activities however is mining and energy, where we finally start switching from frightfully finite and polluting fossil fuels to eternal powers sources, like wind.