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Governments must focus on sustainable city development 

08 Desember 2010 12:20:13 nm

Climate change

Governments must focus on sustainable city development

Cities use 80% of global energy and material

Urbanisation and huge energy and material consumption (80% of global consumption) in cities are triggering climate change. Vigorous measures are urgently required to deal with this devastation situation.

The World Future Council (WFC) in a new report titled ‘Regenerative Cities’ launched in Cancun (Mexico) called on national governments at the UN Climate Change Conference to enable their cities to take vigorous measures to deal with climate change.

Speaking at an official press conference on the eve of the UN summit on Climate Change, WFC Co-Founder Professor Herbert Girardet said: “Cities must be the focal point of action in the global effort to reduce global warming. Cities must also be enabled by national governments to reduce their vast consumption of energy and materials and to minimise their waste discharges, which put enormous pressure on the earth’s climate and ecosystems.”

According to the organisation’s statement, cities use 80% of global energy and materials. “Cities are at the heart of economic lives and they need active support to build resilient future-proof economies”, Professor Girardet continued.

The Hamburg-based organisation stated that the majority of positive examples are rather stand-alone solutions or state-financed prestige projects. In their report the WFC and an expert commission of 30 internationally acknowledged climate scientists, city planners and architects suggest 38 measures for ‘regenerative’ urban development. Not only well rehearsed measures such as energy-saving buildings or the expansion of renewable energies, but also sewage reprocessing, the use of composted bio-wastes in peri-urban agriculture and large scale tree planting schemes for carbon sequestration are part of the proposed solution.

“Whilst it is crucial that the climate negotiations need to agree upon emission reduction targets and concrete mitigation measures, governments mustn’t continue to ignore the role that cities need to play in this endeavour”, affirmed Prof. Girardet. In the report the WFC states that global urbanisation is increasing without the existence of an appropriate concept for sustainable urban development. According to the WFC one of the main causes of that is a lack of awareness among national governments and urban policy-makers.

Given the key role of cities in global climate and resource protection, the World Future Council called for the creation of national governmental bodies as well as national action plans for sustainable city development. “The city of the 20th century, the Petropolis, is a linear, open-loop system that receives goods linearly and discharges waste linearly. In contrast, the city design of the 21st century has to be an Ecopolis, meaning that it operates a circular ‘urban metabolism’ that incorporates circular flows of biological and technical resources. The Ecopolis will receive many of its key resources, including energy resources, from its local hinterland. The nutrients that it detracts from nature are returned by clever waste management systems. Renewable energy sources close to cities, a dramatic increase of energy efficiency measures as well as urban agriculture, avoid emissions and in addition create jobs in the city centres”, delineated Professor Girardet.

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