Even city planners must play a role in preventing climate change from continuing. It is possible for a city planner to use planning and design policies to mitigate climate change. A good example of this is the recent policy in France which requires every new building to have a green roof or solar panels (J.Richardson, 2015). Green roofs are helpful in reducing our impact on the environment because they absorb some of the rainwater that falls on our roof, reducing stormwater runoff and decreasing the amounts of pollution entering our drainage system . It is also useful for absorbing carbon from the atmosphere (T.Matthews, p..22,