Let's go! Solar punk timeline please!
Climate
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.
...in generation of electricity. Most energy usage in the EU isn't electric and non-electric energy usage is almost exclusively fossil fuels.
Even so, baby steps are still steps. Just because not everything has been replaced doesn't mean it won't get replaced in the (far) future.
Electricity is replacing fossil cars with electric ones and heating (heat pumps). As it has replaced the use of candles.
Yes, although very slowly.
A mere 15% of new EU sold cars are BEVs, the average age of the fleet is 12 years, and electric heavy vehicles are still almost non-existent.
Meanwhile, central & southern Europe are still running on Fossil Gas despite heatpumps being around for ~50 years by now. The key issue is that the price of electricity has been far too high, and getting even higher in recent years.