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.
The eye-wateringly expensive Trans Mountain pipeline was only completed by Canadian taxpayers shelling out $34 billion, of which the public will likely be out of pocket over $18 billion even if it is finally sold to private investors.
That is the sort of money needed to bring to start a high speed rail system, which would very likely have better long term results.
Extra slow speed rail lines in remote norther areas would free up fast enough rail for passengers.
Such rail would be appropriate for oil shipments. And survive end of oil. Global non war use of oil is declining.