Environmental consciousness has led many organizers to use "earth friendly" paper products, fertilizer or degradable pesticides.
[1] The first time that environmental concerns were raised by the public was at the 1992 Albertville Winter Olympics in France, which led to the first 'green Games' in Lillehammer, Norway, in 1994.
And at IOC's 100 years celebration in Paris in 1994, environment was added as the Third Dimension to the Olympics in addition to Sport and Culture.
The legacy from Lillehammer has, in a global perspective, followed two paths: The Centennial Olympic Congress, Congress of Unity, held in Paris in 1994, recognised the importance of the environment and sustainable development, which led to the inclusion of a paragraph in Rule 2 of the Olympic Charter.
Since 2002, UNEP has participated in a task force of the UN Secretary-General on the use of sport for the implementation of the United Nations Development Goals.
UNEP also supports the IOC in organizing world conferences and regional seminars on sport and the environment.
A man-made island called Sea Forest off the Tokyo was going to be the place for the Olympic Cross-Country, Rowing, Canoe, Kayak and mountain bike and BMX competitions.
Also on the top of the roof there are different kinds of plants such as prairie coreopsis, wild strawberry, dotted blazing-star, and lupine.