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Australia proves that solar can be easy and widely adopted
(www.volts.wtf)
Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.
As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades:

How much each change to the atmosphere has warmed the world:

Recommended actions to cut greenhouse gas emissions in the near future:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
I don't know how it works in Australia, but a plus to subsidizing solar installation on roofs is that the home owner still has to co-invest for a considerable part, so you kinda get a leveraged build out, as opposed to the government directly building installations. But the balance between private and public good should be weighed carefully all the same.