- Energy:
Energy saving tips at homes and schools etc:
https://www.progress-energy.com/carolinas/home/save-energy-money/energy-saving-tips-calculators/100-tips.page?
http://energy.gov/energysaver/articles/energy-saver-guide-tips-saving-money-and-energy-home
http://www.powerhousetv.com/Energy-EfficientLiving/Energy-savingsTips/027471
http://www.resnet.us/library/category/energy-saving-tips/
Energy generating at home:
http://www.proudgreenhome.com/articles/3-ways-to-generate-electricity-at-home/
Philippines urban slum experiment-video
Building energy saving homes:
https://www.youtube.com/watch?v=HQVTcy4SlAk
https://www.youtube.com/watch?v=qAJIandP5c0
- Urban greenery:
http://www.treesforcities.org/about-us/information-resources/benefits-of-urban-trees/
http://forestsforwatersheds.org/planting-and-maintaining-trees/