EXPO exhibitions are often the birthplace and gained enormous popularity of a wide variety of discoveries. For example, ice cream cups earned him popularity after the world's fair in 1904 in St. Louis, USA.
US researchers were able to use as a biofuel mushrooms "shiitake", which grows in South-East Asia. This type of mushroom has a unique ability to quickly identify the enzyme, allowing the wood to break down almost immediately and extract the nutrients.
In London, for movement between terminals and parking lots Heathrow Airport uses a system of unmanned electric ("green") taxis.
In Spain, near Seville, commissioned the world's largest thermal power plant such as "solar tower". This is only the second such installation in the world.
In Switzerland, in the small Alpine town of Tenna, it launched the world's first cable car that runs on solar energy.
"Urban Cactus" (Rotterdam, Netherlands), "The Hearst Tower" (New York, USA), "The Pearl River Tower" (Guandzhou, China) ... -10 most environmentally friendly skyscrapers in the world.

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