Cities are solution to climate change

There are many, many answers to what would be the best way to avoid climate change. People are talking about new materials, new sources renewable energy and recycling. Everything is important but not enough to prevent climate change. We all know that carbon emissions from cars are related to the cities, by designing sustainable cities will be more effective contributions toward climate change. To achieve sustainability in cities, we need to consider two key issues; transport and social diversity.
Transportation solution has to be planned as a whole because the city is a structure of living, working, and leisure combine together. Transportation has to provide a structure for living and working together but can't just be a system of transport. Cities always need to consider transportation as providing a structure for living and working because it should not be about living one place and working in some other place. If living and working spaces are within proximity, people will likely to use public transport twice daily, concentrated in just a few hours. Cities need to have transportation system that always works and connects working and living activities.
Sustainability of cities defines by what we save and what we waste. There are so many problems of integrating sustainability, but if we understand the city as a structure of living, working, moving together, we can tailor transportation system more effectively. It's very challenging to have a complete network of transportation in many cities of the world.

We can take advantage of the existing infrastructure to link the whole city, where we can connect people of all income levels. In every place of city, should have good public transport and public spaces link to the system. Within this public spaces, people could walk and cycle. Some places in some cities might be decayed with no life. When that happens, it's very difficult to bring back life because people don't want to live in a place like that. However, the moment we bring public street life, people will want to live there again. That's why we need to design flexible and dynamic public spaces in cities to accommodate urban social diversity.

Source- https://www.scientificamerican.com/article/cities-as-solutions-to-climate-change/

Image Source- https://www.usnews.com/news/blogs/at-the-edge/2015/11/30/paris-climate-accord-is-important-for-what-it-does-and-doesnt-do

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