In most towns and cities, large amounts of fertile land are not available to grow crops. That, however, hasn't posed much of an obstacle for people in cities who set up rooftop farms. With careful planning, a lot of passion, and help from volunteers, these farms yield more than sustainable crops: they are bringing together the community, educating its people, improving the local economy, and cleaning up the environment. how's that for ingenuity?

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An online resource packed with inspiration for sustainable transport news, advocacy, articles and blogs from around the world.

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Inspired by Selvan's post about Daily Dump (dailydump.org), after banana peel disposal came to mind when thinking about Anne's "Banana Boat". Composting connects us full circle: The very beginning of the cycle of production to the very end, consumption. Here is a great breakdown of composting: www.dailydump.org/composting – The concept: Compost containers could be provided by local grocery stores or by the farms themselves, upon purchase, for consumers. Consumers can take home, fill with produce remains, then bring back in support for the farmer to enhance their soil. Some consumers would make the local trip to the grocery store and some may head out to the farm land. The farm could have a marking/naming system for each 'block' of their land that gives a shout out to who provided nourishing compost to enhance soil of the farm land.

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A model for bringing energy services to low-income Indian families has shown that empowering rural customers can be economically, socially, and environmentally sustainable.

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The HUB is about the power of innovation through collaboration. It's a global network of 25+ physical spaces that enclose some 4000+ social entrepreneurs and social innovators, working collaboratively to develop impacting ventures for a better world.

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Teach children how to properly handle and recycle e-waste and then translate that knowledge into repairing and using computers to explore new technologies.

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Detroit's ~100K vacant lots are a reinvention opportunity. Could some be salvaged for community centers; others cleared for urban farming; & old building materials reused for furniture? Could "Reclaimed in Detroit" become a mark of Motor City pride?

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Without massive reconstruction, can we imagine sublime vertical parks in place of abandoned buildings?

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A proposed sack-gardening + composting program which combines awareness of food production and waste management with practical skills.

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Improving local food production and distribution models is key for environmental sustainability, community heath and a thriving, local agricultural industry. How do we build a system of positive behavioral incentives that encourage local, healthy eating habits?

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The SIX Rating makes a product's positive (or negative) effects on both the body and the environment more apparent, while also providing the opportunity to educate consumers.

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We throw away 8.3 mill tonnes of food a year which is very damaging to our environment and not a sustainable. Promoting recycling/reusing of waste food helps bring communities together by encouraging people to be more aware of what they are eating.

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