Existing coal more expensive than new renewable energy (theguardian.com) 8 points by jhallenworld 3y ago ↗ HN
[–] jhallenworld 3y ago ↗ It's interesting how the mines work, all of the coal is taken:https://en.wikipedia.org/wiki/Longwall_mininghttps://www.youtube.com/watch?v=kXQwdQnT60khttps://www.youtube.com/watch?v=WmwEB4DY_jcBut aside for the CO2, the coal ash is a big problem:https://www.youtube.com/watch?v=hvx-W-XAie0As are the mine fires:https://en.wikipedia.org/wiki/Coal-seam_fire
1 comment
[ 5.2 ms ] story [ 37.5 ms ] threadhttps://en.wikipedia.org/wiki/Longwall_mining
https://www.youtube.com/watch?v=kXQwdQnT60k
https://www.youtube.com/watch?v=WmwEB4DY_jc
But aside for the CO2, the coal ash is a big problem:
https://www.youtube.com/watch?v=hvx-W-XAie0
As are the mine fires:
https://en.wikipedia.org/wiki/Coal-seam_fire