The cited article about easy steps to contain information overload may make it easier for City of Phoenix planning staff to stay current:

Google Scholar
Microsoft Academic Search
Wolfram Alpha
Google Alerts
[citations 2-5 below where I inserted the search term 'urban planning']

"...scholarly databases and publishers of academic journals (such as ScienceDirect or Taylor & Francis) allow users to register for free and create custom alerts (by email or RSS) for new articles containing certain keywords, or other advanced alerts such as notifications when a specific article is cited."

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