Knowing what we know now, If you aren't building to passivehouse levels of performance, you are building to catastrophic failure.
Building codes gotta change 40 years ago. Today is the next best time to upgrade building codes.
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.
Knowing what we know now, If you aren't building to passivehouse levels of performance, you are building to catastrophic failure.
Building codes gotta change 40 years ago. Today is the next best time to upgrade building codes.