Complex sentence: The project has been the subject of intense criticism from the Australian Greens, community groups and local residents, regarding almost every aspect of the project--regular public rallies have been conducted on the site and in Melbourne since it's proposal.
Split into simpler sentences: The project has been the subject of intense criticism from the Australian Greens, community groups and local residents, regarding almost every aspect of the project. Regular public rallies have been conducted on the site and in Melbourne since it's proposal.