From ProQuest:
ProQuest has joined the Open Access Scholarly Publishers Association (OASPA), which represents the interests of Open Access (OA) journal publishers globally in all scientific, technical, and scholarly disciplines.
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In addition to integrating and aggregating open access content in many of its information solutions, ProQuest publishes Sustainability: Science, Practice, & Policy, an open access journal advancing and supporting environmental research since 2005.
Read the Complete Announcement