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i»¿ skip to content siemens sustainable urban infrastructure it is becoming increasingly clear that the climate change battle will be won or lost in cities over half of the worlda€™s population now lives in urban areas urban centers account for roughly 75 percent of the worlda€™s global energy consumption and for 80 percent of greenhouse gas emissions city administrators are taking note many are looking at the challenge from a global perspective and considering diverse sustainability initiatives that can be applied locally a research project sponsored by siemens focuses specifically on technological levers that could help reduce greenhouse gas emissions water usage and waste disposal and that could have an effect before 2025 download the report sustainable urban infrastructure london edition a€“ a view to 2025 to experience the aditional interactive features of this website please enable javascript in your browser and install the current flash player       skip over site identifier and sitemap siemens global web site contact skip over generic navigation skip over search suche skip over language selection deutsch   industry energy healthcare consumer products products a z             investor relations press jobs & careers corporate responsibility about us     siemens worldwide angola argentina australia austria azerbaijan bahrain bangladesh belarus belgium bolivia botswana brazil bulgaria canada chile china colombia costa rica croatia cyprus czech republic…