Rooftop farms have sprung up so quickly in American ... more food efficiently in metropolitan areas has gained urgency as urban populations rise: The UN Food and Agriculture Organization estimates ...

moment, she thought, why not turn the area into a farm with a thriving aquaponic system within an urban environment? No other public university, she said, had a sustainable rooftop garden.

NEW DELHI: Pointing out that urban middle class ... to operationalisation of rooftop solar. He further directed states to adopt a saturation approach for villages, towns and cities in a phased ...