This essay E nvironmental Sustainability: The Evolution of Ur has a total of 903 words and 5 pages.
E nvironmental Sustainability: The Evolution of Urban Areas
Urban growth in the cities is continually raisin. This calls for less rural areas and more urban areas; with cities comes pollution and contamination, that is why major cities around the world have start to implement sustainability. Sustainability is the ability to continue a defined behavior indefinitely , this means to be able to generate a process that will benefit society as well as the environment. It is important for Americans to understand the effects on the environment if an environmental sustainability approach is not taken into action in urban areas.
O ne of the first global conferences dedicated to urban issues, urban sustainability was defined as "improving the quality of life in a city, including ecological, cultural, political, institutional, social and economic components, without leaving a burden on the future generations" . It is of great importance to be conscious that whatever is done today will affect future generations. The legacy future generations should receive is a world where sustainability is implemented. So, that less pollution is generated by the transportation that is being used, by the hazardous waste facilities in the cities, by the emission of gases etc.
By 2050, is expected two-thirds of the world's population — about 6.2 billion people — will live in urban areas . [ 3 ] In other words, we will see urban growth (rising urban populations) and urbanization (a higher proportion of people will live in cities). [ 4 ]
To have a sustainable living lifestyle will be of benefit for almost everyone. By reducing our carbon footprint on the earth, the world would be a better place. By being more independent and self-sufficient, we are more in charge of our lives. By growing our own food, we can control what chemicals come in contact with it. Basically a sustainable lifestyle means that there are more benefits for society and for the environment by developing a sustainable system that will help to solve the various environmental and socioeconomic challenges.
There are different projects that have been implemented in certain cities. For example some cities are aiming for low-carbon emissions, by developing high-tech greenhouse gas inventory systems to track emissions, or by creating "green" and " walk able " neighborhoods through participatory planning . Integrative design, which main focus is to optimize whole system s instead of a single component, is becoming more prominent. Transport systems might integrate bike paths, bus routes and rail lines; or new building constructions may integrate site planning with local materials and energy and water-reduction systems; or even building designs that mimic natural processe s.
Many architects, engineers and designers are working together to find new ways to be more sustainable. Some architects think that a good solution for saving energy could be to make all glass windows on the buildings of the same materials as solar panels, this way the glasses would absorb the energy needed for all equipments in the building to work properly. Also, it has been used in some building in New York City to have green roofs, this is roofs with plants, and insects like bees and butterflies, and this would help alleviate the contamination on the air. If all buildings in New York would implement this, imagine how cleaner the air would be.
If everyone contributes to a sustainable lifestyle, the environment would be better and the world would last at a lot more than if we continue to destroy it, to get petroleum, gold, and carbon. The solution won't be see the next day, but if we work together, and follow the sample of many cities. Cities like Copenhagen , the most populated city in Denmark that has been r ated one of the world's most livable cities, the metropolis of nearly two million people is known for advanced environmental policies and planning . City infrastructure is designed to be conductive to bicycling and walking rather than cars.  Other cities well recognize for their merits to become greener and more sustainable are Amsterdam, Stockholm, Vancouver, London, Berlin, Singapore, Helsinki and Olso. 
Now, it is the time to start thinking in tomorrow, in our children and grandchildren, in our future generations.
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