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Worldwide, 30-40 % of all primary energy is used in buildings
In the UNECE region, buildings cover approximately 35 % of the total energy consumption
CO2 emissions from buildings are expected to rise of 140 % cent by 2050
Worldwide energy consumption in buildings is expected to grow of 45% from 2002 to 2025.
2/3 of energy consumption in buildings is used for heating and cooling
Worldwide, 111 million people are employed in the building and construction sector
The average new U.S house is 45 % bigger than it was 30 years ago
Between 1985 and 1997, the average size of a European home increased from 83 sq. metres to 87 sq. metres
2,5 million households in the world use solar lighting systems
80-90 % of the total energy used during the lifespan of a building is consumed during the use phase
From 25 % to 40 % energy savings may be reached in the housing sector
After buildings, the transport sector is the next largest source of CO2 emissions
80 % of energy is used in small households <1000 sq.m / Europe. Thus, there lies the largest saving potential
In France, the government has decided to refurbish all its public buildings by 2012 in order to cut the energy consumption by almost 40% by 2020
By using well-proven energy efficiency techniques, 70 to 90 % of a building’s energy need for heating or cooling can be cut.
Energy expertise is almost nonexistent within financial institutions
Investments in improved energy efficiency in buildings could generate an additional 2 - 3.5 million green jobs in Europe and the United States alone
Typically, a low energy building uses at least 50 % less energy than standard buildings.
Passive housing reduces energy consumption with 90 % compared to ”conventional housing”
No other sector offers a cheaper way to cut emissions and save energy than the building sector
Renewable energy generates more jobs than employment in fossil fuels
Certain countries have 50 % more energy loss than other richer countries of the region.
In low income countries, the residential sector often represent over 90 per cent of all CO2 emissions from buildings
2.3 million people have in recent years found new jobs in the renewable energy sector alone
Out of more than 3000 CDM projects in the pipeline as of May 2008, only 6 seek to reduce energy demand in buildings
The building and construction typically provides 5-10 % of employment at national level and generates 5-15% of the GDP
In Germany for example, environmental technology is to grow fourfold to 16 % of industrial output by 2030
In 2030, biomass use will still represent over half of the residential energy consumption in developing countries
40-50 % of the total flow in the global economy is used for the manufacturing of building products and components
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