Global Environmental Issues Facing Climate Change Essay

By 2030, the urban population will reach 5 billion – 60 % of the world’s population.It is clear that the development of urban areas holds the key to many of the challenges we face in our interactions with the environment. Climate change has become one of the most challenging global environmental issues facing humanity.. Urban households, industries and infrastructures are key sources of greenhouse gases. Urban areas concentrate populations, economic activities and built environments, thus increasing their risk from floods, heat waves, and other climate and weather hazards that climate change is expected to aggravate. Many of our urban centres are in the very areas (e.g. coasts) that will make them more vulnerable to adverse climate change events. But beyond the obvious risks and vulnerabilities that climate change will bring to our urban areas, these same urban centres will, by necessity, play a pivotal role in our mitigation and adaptation efforts as well. 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