Today, more than half of the world population lives in urban areas. Although they only cover 2% of the land surface, the cities concentrate the majority of emissions of greenhouse residential, tertiary, industrial and transportation. Population growth will amplify this phenomenon of urban concentration, the cities will expand and with them the artificial soil, undermining biodiversity and ecosystems. The effects of urbanization and climate change are converging in dangerous ways. Cities are the main contributors of climate change even though they cover less than 2% of the surface of the earth, they consume 78% of global energy and produce more than 60% of carbon dioxide and significant amounts other gas greenhouse effect, mainly due to energy production, vehicles, industry, and the use of biomass.
Ongoing climate change and require a revolution in the design of urban development planning in medium and long term: it is no longer "just" to describe the environmental impacts of urban projects or development, but also consider the impact of environmental changes on proposed transactions.
With appropriate governance structures, cities can be places for innovation and efficiency to reduce the causes of climate change (mitigation) and effectively protect themselves from its effects (adaptation): alternative modes of transport to the private car, efficient buildings, vegetation, alternative storm water management, intensification and mixed use ...
Spatial planning, in general, is a key to enter to organize a society resilient to the impacts of climate change on the long term and prevent the risk of conflicts over access to water resources and energy.
Yes,it is significant.There are many studies done on urban pollution and emission of greenhouse gases etc.I think it is important to measure the degree of impact of smoke,dust,gases etc which are by product of industrialization on climate change at micro and macro levels.
In urban region the natural land surface is change in to cement covered or other material cover which absorb most heat at daytime.Urban buildings used the material which absorb heat. So many urban heat islands were created. Air pollution, depletion of forest for growing urban need for residence, industry, roads etc. all these elements contribute to climate change.
A component of climate variability is emission of green house gases that leads to global warming and climate change after many circles over 30 to 35 years. Urban areas are production basins of these green house gases such as water vapour, smaller amounts of carbon dioxide, methane and nitrous oxide which act as a thermal. As a town becomes urbanized population growth and activities increase these gases especially in cities of the developing countries where poverty is high and importation of used items (non- eco refrigerators, off road vehicles) that generate these gases is increasing. Climate change through urbanization becomes conspicuous. Also, cities generate a lot of heat and produce much carbon dioxide through activities that heat and pollute the space. These include motor repair garages, iron smelting worhshops, homes, restaurants and industries. Also, road renewal and construction engineering works, urban transport animated by smoke from “ off road second handed cars” imported from the west, cemented surfaces that generate a lot of heat and discharge it to the outer space, heat from chucked up houses characterized by vertical growth without free circulation of air all produce carbon dioxide and heat that affects our climate parameters. These parameters plus destruction of vegetation in the town and outskirts for town construction works affect the climate in long term. Poor Town planning is the key.
urbanisation plays very important role in climate change because of vehicles and industrial emission discharge more carbon here few paper and report attached go through it