r/Sustainable
38k members
r/Sustainable is a subreddit with 38k members. The most common kinds of discussions are news and ideas, and the community frequently discusses sustainability, climate, energy, solar, and environment.
Sustainable energy, food, water, air, living. Things/actions that help the planet and us live together without turning it into a perpetual disaster or dead planet. News, research, discussion, photos, diagrams, and questions about sustainability, non-GMO/GMO-free, organic, regenerative agriculture/food/farming, renewable energy, reducing and eliminating fossil fuels, fracking, and mining.
Popular Themes in r/Sustainable
#1
News
: "Brazil's new climate plan prioritizes stopping all deforestation: President Lula is pledging to reduce deforestation to zero by 2030 and is calling for a reduction of greenhouse gases by 67% compared with 2005 levels."
14 posts
#2
Ideas
: "Simple water trick—blending water into diesel—cuts diesel engine pollution by over 60%. Studies show this technique can slash nitrogen oxide and soot emissions by more than 60% while sometimes even improving engine efficiency. It works in existing engines without redesign."
7 posts
#3
Advice Requests
: "How to sustainability declutter"
5 posts
#4
Pain & Anger
: "I didn't order a straw"
2 posts
#5
Solution Requests
: "Sydney MP pushes to bring human composting to Australia as burial costs rise: Also known as "terramation", the two-month process breaks down the body into nutrient-rich soil."
1 post
#6
Self-Promotion
: "One reusable cup to rule (out) them all."
1 post
Popular Topics in r/Sustainable
#1
Sustainability
: "Brazil's new climate plan prioritizes stopping all deforestation: President Lula is pledging to reduce deforestation to zero by 2030 and is calling for a reduction of greenhouse gases by 67% compared with 2005 levels."
18 posts
#2
Climate
: "Brazil's new Climate plan prioritizes stopping all deforestation: President Lula is pledging to reduce deforestation to zero by 2030 and is calling for a reduction of greenhouse gases by 67% compared with 2005 levels."
12 posts
#3
Energy
: "New framework for "post-growth" scenarios shows that prioritizing basic needs over GDP could satisfy universal well-being using less than half of current global Energy and materials. Most climate mitigation laws maintain inequalities, associate favorable climate outcomes with only economic growth."
8 posts
#4
Solar
: "Solar energy, cheap battery storage can meet 90% of India’s power demand at affordable costs: Ember report"
4 posts
#5
Environment
: "New pilot plant converts unsorted plastic waste into oil in 30 mins"
4 posts
#6
Agriculture
3 posts
#7
Fast Fashion
: "The Impact of Compulsive Buying Among Generation Z on Fast Fashion Pollution and Landfill Waste (Generation Z)"
3 posts
#8
Emissions
: "Simple water trick—blending water into diesel—cuts diesel engine pollution by over 60%. Studies show this technique can slash nitrogen oxide and soot Emissions by more than 60% while sometimes even improving engine efficiency. It works in existing engines without redesign."
3 posts
#9
Global
: "Clean World Dashboard Pro — Global Energy & Climate Simulator 2025–2050"
3 posts
#10
Climate Change
: "Q&A: Does the world need ‘carbon capture and storage’ to reach net-zero?"
3 posts
Member Growth in r/Sustainable
Yearly
+10k members(34.7%)
Similar Subreddits to r/Sustainable
r/climate
293k members
12.6% / yr
r/ClimateActionPlan
105k members
5.3% / yr
r/climatechange
179k members
23.9% / yr
r/collapse
566k members
5.7% / yr
r/environment
1.6M members
0.8% / yr
r/Environmentalism
80k members
78.3% / yr
r/envirotech
7k members
9.4% / yr
r/solarpunk
206k members
23.5% / yr
r/sustainability
910k members
2.6% / yr
r/SustainabilityPorn
2k members
4.9% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/Sustainable, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: August 28, 2026