Global Perspective

In the early 1970s, an oil crisis caused the developed countries to take serious caution on their use of energy. These countries have started adopting a number of policies to improve energy efficiency in all sectors of their economies.

In the late 1980s, the recognition of the greenhouse effect brought a significant influence on worldwide energy policy. People at that time trended to pursue development in sustainability, that is defined as "development which meets the needs of the present without compromising the ability of future generations to meet their own needs". The importance of energy as a tool for meeting this goal was acknowledged at every major United Nations (UN) conference in the 1990s, starting with the Rio Earth Summit (UN Conference on Environment and Development) in 1992. In the "Agenda 21" of the Rio Earth Summit, the United Nations and its member have strongly endorsed the goal of sustainable development. The Kyoto Protocol agreed in the UN Conference on Climate Change in 1997 also set out targets in cutting the greenhouse gas emission. As an international city, Hong Kong shall have the same pace with other countries in the world on the energy efficiency development.

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