Tap a claim on the ring to put it at the centre.
← Environmental cost-benefit analyses systematically understate what a…
17 connected korrents · 20 moments from 17 Jun 2011 to 9 Sept 2026.
Everything filed under infrastructure
infrastructure
Everything filed under energy
energy
Everything filed under America
America
Everything filed under Linux
Linux Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: Environmental cost-benefit analyses systematically understate what a new metro line is worth, because most of the driving it displaces happens elsewhere on the network. Environmental cost-benefit analyses systematically understate what a new metro line is worth, because most of the driving it displaces happens elsewhere on the network. Last stated 7 months ago
10 Mar 2026
AL
Alon Levy — holds since 2026-03-10 — tap for who they are
Same subject: The cost of major tunnel projects should not be attributed to the cost of surface electrification when benchmarking rail costs. — tap to centre the map on it The cost of major tunnel projects should not be attributed to the cost of surface electrification when benchmarking rail costs. Last stated 3 months ago
7 Aug 2026
AL
Alon Levy — holds since 2026-08-07 — tap for who they are
Same subject: A steady pipeline of transit projects does not by itself prevent costly systems-engineering mistakes, as shown by London's Crossrail. — tap to centre the map on it A steady pipeline of transit projects does not by itself prevent costly systems-engineering mistakes, as shown by London's Crossrail. Last stated 4 months ago
29 Jun 2026
AL
Alon Levy — holds since 2026-06-29 — tap for who they are
Same subject: The real cost of transport demonstration projects is that they confuse decision-makers about whether mass transit still needs building. — tap to centre the map on it The real cost of transport demonstration projects is that they confuse decision-makers about whether mass transit still needs building. Last stated 8 years ago
20 Dec 2018
JW
Jarrett Walker — holds since 2018-12-20 — tap for who they are
Same subject: Transit investment should prioritize raising ridership on already well-used lines over creating minimal service where none exists. — tap to centre the map on it Transit investment should prioritize raising ridership on already well-used lines over creating minimal service where none exists. Last stated 4 months ago
7 Jul 2026
AL
Alon Levy — holds since 2026-07-07 — tap for who they are
Same subject: The American suburban pattern of development does not pay for itself: a city takes the cash from new growth and, with it, a maintenance bill it can never cover. — tap to centre the map on it The American suburban pattern of development does not pay for itself: a city takes the cash from new growth and, with it, a maintenance bill it can never cover. Last stated 15 years ago
17 Jun 2011
CM
Charles Marohn — holds since 2011-06-17 — tap for who they are
Same subject: The cognitive costs of air pollution are almost certainly still significantly under-emphasised -- most EPA materials do not mention them at all. — tap to centre the map on it The cognitive costs of air pollution are almost certainly still significantly under-emphasised -- most EPA materials do not mention them at all. Last stated 7 years ago
by 18 Nov 2019
PC
Patrick Collison — holds since 2019-11-18 — tap for who they are
Same subject: Today's level of city living depends on cheap fossil fuels and is unlikely to survive without them. — tap to centre the map on it Today's level of city living depends on cheap fossil fuels and is unlikely to survive without them. Last stated 4 months ago
30 Jun 2026
CS
Chris Smaje — holds since 2026-06-30 — tap for who they are
Same subject: Cut and cover is still often the cheapest way to build a subway and rich countries have abandoned it anyway, because the disruption is no longer tolerated. — tap to centre the map on it Cut and cover is still often the cheapest way to build a subway and rich countries have abandoned it anyway, because the disruption is no longer tolerated. Last stated a year ago
28 May 2025
BP
Brian Potter — holds since 2025-05-28 — tap for who they are
Same subject: "Carbon intensity" metrics let oil companies claim climate progress even as their total emissions rise from increased production. — tap to centre the map on it "Carbon intensity" metrics let oil companies claim climate progress even as their total emissions rise from increased production. Last stated a month ago
9 Sept 2026
EA
Emily Atkin — holds since 2026-09-09 — tap for who they are
Same subject: A country outside the AI supply chain should just buy the index — which works only in the world where AI ends up commoditised rather than concentrated. — tap to centre the map on it A country outside the AI supply chain should just buy the index — which works only in the world where AI ends up commoditised rather than concentrated. Last stated 5 months ago
4 Jun 2026
AI
Alex Imas — holds since 2026-06-04 — tap for who they are
Same subject: A data centre should be split into independent power blocks fed directly at 1500 volts DC, rather than run through one central distribution system. — tap to centre the map on it A data centre should be split into independent power blocks fed directly at 1500 volts DC, rather than run through one central distribution system. Last stated 3 years ago
18 Apr 2024
AV
Austin Vernon — holds since 2024-04-18 — tap for who they are
Same subject: A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely. — tap to centre the map on it A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely. Last stated 2 months ago
22 Aug 2026
JP
Jennifer Pahlka — holds since 2026-08-22 — tap for who they are
Same subject: A Chinese crewed landing on the Moon before America returns would be a defeat for the free world. — tap to centre the map on it A Chinese crewed landing on the Moon before America returns would be a defeat for the free world. Last stated 2 months ago
18 Aug 2026
CH
Casey Handmer — holds since 2025-10-31 — tap for who they are
EB
Eric Berger — holds since 2026-08-18 — tap for who they are
Same subject: A clear path to citizenship for undocumented immigrants is compatible with enforcing the law — tap to centre the map on it A clear path to citizenship for undocumented immigrants is compatible with enforcing the law Last stated 13 years ago
30 May 2013
OW
Oprah Winfrey — holds since 2013-05-30 — tap for who they are
Same subject: A big switch to desktop Linux is coming, at least among developers, because there is enough dissatisfaction with both Apple and Microsoft. — tap to centre the map on it A big switch to desktop Linux is coming, at least among developers, because there is enough dissatisfaction with both Apple and Microsoft. Last stated a year ago
26 Jun 2025
DH
David Heinemeier Hansson — holds since 2025-06-26 — tap for who they are
Same subject: Being blunt to the point of abuse on the kernel mailing list is who I am and the right way to run the project. — tap to centre the map on it Being blunt to the point of abuse on the kernel mailing list is who I am and the right way to run the project. Last stated 8 years ago
16 Sept 2018
LT
Linus Torvalds — holds since 2013-07-15 — tap for who they are
LT
Linus Torvalds — no longer holds since 2018-09-16 — tap for who they are
Same subject: Coding agents make doing things on Linux far more approachable. — tap to centre the map on it Coding agents make doing things on Linux far more approachable. Last stated 5 months ago
8 Jun 2026
BV
Ben Vinegar — holds since 2026-06-08 — tap for who they are