Data released from Copernicus, a branch of the European Union Space Programme, shows August was 1.59C warmer than 1850–1900 levels, following a 1.6C increase in July.
You change habits by making it more expensive to do unsustainable shit. Very few states here in the US are willing to properly tax carbon emissions. Very few Americans are willing to remove the subsidies that the beef industry enjoys which would see steak at $35/lb.
Just saying "consume less" does very little. People respond to incentives. Peoples' wallets are big incentives.
I mean if we lived in a society where we could tax billionaires out of existence, then we could probably solve climate change with all that tax revenue.
Killing rich people doesn't stop people from driving cars or eating livestock or flying on airplanes or trading on sea lanes or requiring heat for their homes/water/etc or needing electricity