The vast range of perspectives reflects the fact that the causes of climate change are numerous – although, it must be said, we humans are responsible for them all.
There is no magic 'silver bullet' solution to change. Chapter 8 of the report looks entirely at urban areas. Now more than half of the global human population
[Currently] account for about 18% of the global carbon footprint." Per capita, urban people in 'developed countries' compared to those living in areas with lower emissions
Has an effect. The cities with the least impact share four key characteristics: they have medium to high density housing that provides employment and commerce.
are close to the centers; near them
There is a rich mix of land uses, a highly connected road network; and they are accessible and offer relatively short travel distances and times enabled by multiple modes of transport