Sentences with phrase «among urban waste»
Not exact matches
The researchers collected plate waste data among 1,030 students in four schools in an urban, low - income school district both before (fall 2011) and after (fall 2012) the new standards went into effect.
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Such specific conditions include among others: limited availability of space and the high price of urban land, proximity to large numbers of people (and thus a need for safe production methods), use of urban resources (organic waste and wastewater), and possibilities for direct producer - consumer contacts.