Basically, what urban gardens are, are small little gardens that are set up in urban areas, for example, a garden on top of a roof of a building. Urban gardens help the environment a lot because, 1) it helps to produce more fresh air, and 2) it makes the people in urban cities also aware of the issues of their health and how it can be changed by gardening.
What is the urban sustainability challenge?
The urban sustainability challenge is basically a challenge that we will be doing at the end of this course, with all the information we've learned, we are to produce a meal sustainably in which we include food which we have grown ourselves, and produces from Hong Kong.
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