[1] The gatherings were organised as demonstrations of some public support for political action on climate change in Australia, including support for mitigation, investment in renewable energy and decommissioning of fossil fuel power stations and polluting industry.
The largest individual gatherings attracting 10,000 in Melbourne and 8,000 in Sydney.
[1] The "Say Yes" campaign was started with actors Cate Blanchett and Michael Caton appearing in a national television advertisement.
The Federal Treasurer, Wayne Swan, attended the Brisbane rally.
[2] In Canberra, the ACT Chief Minister, Katy Gallagher, was in attendance.