Hacker News new | ask | show | jobs
by bluGill 1713 days ago
That is my worry. They are putting in a development near my house so I'm watching them put in a lot of pipes using a large amount of energy (6 high horse power tractors emitting a lot of CO2 for weeks on end). If those pipes last forever (as currently expected), then overall the impact is low, but if they start degrading we will be spending even more CO2 to replace them.

Though a part of me wonders how much more it would cost to put in a subway when they already have the ground dug up.