Stack Exchange — sustainability.stackexchange.com

The content of sustainability.stackexchange.com (https://sustainability.stackexchange.com/), a Stack Exchange question-and-answer site, as published in the Stack Exchange Data Dump of April 2024 on the Internet Archive. The posts table holds 17,789 rows: 6,696 posts (2,154 questions, 4,294 answers, 119 tag wiki excerpts, 119 tag wikis, 9 posts of type 6 and 1 post of type 7) and 11,093 comments, written between 29 January 2013 and 31 March 2024. Beside it are 10,497 user accounts, 36,229 votes, 15,622 badges awarded, 237 tags, 20,321 post revisions and 600 links between posts. Every answer keeps the question it answers and every comment the post it was written on, so the threads can be rebuilt. The Internet Archive item describes the dump as anonymised; the votes table names the voter in only 38 rows.

#Expertise network#Stack exchange data dump#Sustainability

Download data package README Original files as received BibTeX JSONSimilar datasets

Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 1,650 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

1.6K
Nodes
3.4K
Edges
1.26e-03
Density
21
Components
-0.1946
Assortativity
3.0%
Reciprocity
881
Bridges
Most central nodes
33790.04973
150.04488
480.0279
990.02729
200.02547
96690.02244
800.02183
28680.0188
1300.01759
4710.01759
Content metrics

17,789 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

x scoreμ 2.032 ± 3.97
min -6max 82
x view countμ 2K ± 10K
min 10max 268.5K
x answer countμ 1.994 ± 1.649
min 0max 19
x comment countμ 1.658 ± 2.264
min 0max 20
9.5
Flesch–Kincaid grade
US school grade level
10.1
Automated readability index
Frequent terms
energyusewaterlikequestionpowerheatneeddontimecarbonanswersolarplasticgoodairsustainableelectricitywaywastepeoplesystembettergasthinkfoodwantknownewcostbatteryfuelrecyclingsmallworklotdifferentlongyearselectricyearpaperheatingoilfindhighprobablyhouseemissionsexample
Topic clusters

Topic 0

answer
question
thank
link
edit
comment
post
ask

Topic 1

heat
air
temperature
water
heating
window
house
heater

Topic 2

sustainability
sustainable
living
question
welcome
answer
people
think

Topic 3

compost
worm
bin
pile
fly
plant
mosquito
food

Topic 4

car
engine
vehicle
electric
drive
fuel
hybrid
battery

Topic 5

wash
washing
dishwasher
soap
water
clothe
machine
dish

Topic 6

gas
natural
hydrogen
coal
oil
fuel
methane
propane

Topic 7

tree
forest
carbon
wood
grow
plant
year
biochar

Topic 8

panel
solar
roof
power
angle
system
sun
output

Topic 9

water
toilet
filter
flush
greywater
use
grey
potable

Topic 10

inverter
battery
panel
controller
voltage
charge
solar
power

Topic 11

battery
charge
lithium
discharge
lead
voltage
acid
charger
Show all 28 topics

Topic 12

wind
turbine
energy
power
renewable
capacity
electricity
offshore

Topic 13

wood
stove
burn
fire
pellet
chimney
fireplace
heat

Topic 14

train
passenger
bus
flight
travel
rail
trip
transport

Topic 15

meat
animal
organic
food
eat
feed
diet
farming

Topic 16

meter
power
device
usb
smart
switch
voltage
current

Topic 17

bulb
led
light
incandescent
lamp
cfl
lighting
fluorescent

Topic 18

computer
laptop
desktop
power
monitor
hardware
linux
use

Topic 19

chicken
pig
eat
rabbit
slug
food
guinea
animal

Topic 20

recycling
recycle
bin
waste
trash
recyclable
landfill
garbage

Topic 21

bag
plastic
recycle
reuse
reusable
recycling
black
packaging

Topic 22

footprint
population
ecological
country
global
carbon
calculator
emission

Topic 23

rain
barrel
water
tank
fish
system
gallon
garden

Topic 24

plastic
ocean
compostable
biodegradable
compost
degrade
pet
waste

Topic 25

fridge
freezer
refrigerator
door
refrigerant
temperature
compartment
open

Topic 26

soil
plant
grow
seed
garden
crop
weed
npk

Topic 27

bottle
glass
plastic
beer
recycle
reuse
milk
cap
Top hashtags
#121
#215
#415
#39
#57
#87
#816
#q5
#103
#as_fertilizer3
#recycling3
#34952
#62
#72
#are2
#s2
#sthash2
#tabindex2
#v2
#101731
Top emoji
🚕47
🚇5
🛑5

Computed over the full corpus.

Record

Catalog key
stackexchange-sustainability-stackexchange-com
Authors
Stack Exchange, Inc.
Year
2024
Source paper
Stack Exchange Data Dump
License
CC BY-SA 3.0 / 4.0 (by contribution date) (CC-BY-SA-3.0 AND CC-BY-SA-4.0)
Records
19,894
Nodes
1,650
Edges
3,428 (directed)
Nodes are
user (Stack Exchange account)
Edges are
answer collaboration (A answered B's question)
Attributes
nodes have attributes; edges have attributes
Text corpus
question titles, post bodies, comment text, tag names
Languages
en
Collected
2013/2024 (2010s, 2020s)
Tasks
From the graph: link prediction, community detection
Region
Global (inferred: the platform is used worldwide)

Provenance

Originally published at
https://archive.org/details/stackexchange link checked
Original files as received
The source files, unconverted, kept for reference: mirrored on echo.directory on 2026-10-09, 9.4 MB across 1 files. Checksums in MANIFEST.json. For use, start with the data package below.
Data package
Version 1.0.0 of this dataset as an ECHO Data Package: posts (17,789 rows), users (10,497 rows), x_votes (36,229 rows), x_badges (15,622 rows), x_tags (237 rows), x_post_history (20,321 rows), x_post_links (600 rows).
Structure
Temporal (timestamped), Node attributes, Text, Threaded conversations

How to cite

BibTeX

@misc{echo2026,
  title  = {ECHO: Exploratory Compendium of Humanity Online},
  author = {Switzer, Braden and Zafarani, Reza},
  year   = {2026},
  url    = {https://echo.directory},
  note   = {Syracuse University}
}

@misc{stackexchange_2024,
  title     = {Stack Exchange Data Dump},
  author    = {{Stack Exchange, Inc.}},
  year      = {2024},
  month     = {apr},
  publisher = {Internet Archive},
  url       = {https://archive.org/details/stackexchange}
}

APA

Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory

Stack Exchange, Inc. (2024). Stack Exchange — sustainability.stackexchange.com [Data set]. https://stackexchange-sustainability.echo.directory/

MLA

Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.

Stack Exchange, Inc. Stack Exchange — sustainability.stackexchange.com. 2024, stackexchange-sustainability.echo.directory/.

BibTeX · RIS · CSL-JSON

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