3a)        Discuss and critically evaluate the development of sustainable construction since the Rio conference and Kyoto agreements and include and compare agenda 21, HECA, affordable warmth, fuel poverty policies and guidelines and their apparent effectiveness in terms of the spirit of the Rio agreements.

The construction industry is one of the most intensive in terms of its consumption of natural resources and energy and in its production of waste materials.  In order to meet the goals of sustainable development, the construction industry must embrace more sustainable forms of building and make better use of the resources available.  It is not just an issue of matching consumption patterns to the earth’s available natural wealth. The extraction, processing and transportation of these materials have a huge environmental impact - the more consumed, the more damage there is. Sustainable construction therefore, requires not only reducing consumption, but also re-using and recycling the materials already available.  

The United Nations Conference on Environment and Development was held in Rio de Janeiro, Brazil in 1992.  It was attended by political leaders from 178 countries together with representatives from all the major environmental organisations.   The objectives of the conference were to respond to pressing global environmental problems and five separate agreements were made, including ‘Agenda 21’ - a blueprint for sustainable development.  

Agenda 21 called on all nations to:

  • Cut down their use of energy and raw materials.
  • Reduce pollution and waste.
  • Protect the fragile natural habitats of animals and plants.
  • Share wealth and opportunities more fairly between the developed and the developing world.

By 1997, not much progress had been made on the Rio conference objectives.  Also in 1997, the Climate Treaty Conference was held in Kyoto, Japan.  More than 150 Nations attended the Summit and agreed to reduce their greenhouse gas emissions to below 1990 levels by the year 2012.  The Kyoto Protocol was the first ever International Treaty to set legally binding emissions reduction targets on developed countries that have ratified it.  Under the Kyoto Protocol, the European Member States agreed to meet a joint target of 8% emissions reduction.  This shared arrangement allows for redistribution between member states to reflect their national circumstances, requirements for economic growth and the scope for further emissions reduction. The UK agreed to reduce its emissions by 12.5%.

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Since the Rio Conference and the Kyoto Summit, it has become clear that that the issues surrounding the concept of sustainable development are complex and challenging.  The UK became one of the first countries to produce a Sustainable Development Policy ‘Sustainable Development: The UK Strategy’. In 2000, the Government published a Strategy for Sustainable Construction ‘Building A Better Quality of Life’ which provided the first steps to improving standards in the industry and highlighted ten themes for action which remain relevant today:

  • Re-use existing built assets

  • Design for minimum waste

  • Minimise energy in construction

  • Minimise energy ...

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