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Build a Better World - 21st Century Game Plan | BBW21 — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Environment →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
cuttingthecarbon.com ↗	64 match 2 shared topics	Ecology, Carbon and Saving Planet \| Inovation in Green World	en	environment	robotsllmsaihumans	emailphone	partial · 8
naturalenergyhub.com ↗	64 match 2 shared topics	Natural Energy Hub - Articles & Essays about Nature, Energy & Health in English	en	environment WordPress	robotsllmsaihumans	emailphone	none
urbanrainforests.com ↗	64 match 2 shared topics	Urban Rainforests	en	environment WordPress	robotsllmsaihumans	emailphone	none
3percentsustainability.com ↗	63 match 2 shared topics	Three Percent Sustainability Challenge - Three Percent Sustainability Challenge	en	environment Weebly	robotsllmsaihumans	emailphone	none
sustainabilitynetworker.org ↗	63 match 2 shared topics	Sustainability Networker	en	environment	robotsllmsaihumans	emailphone	none
urbanizehub.com ↗	63 match 2 shared topics	UrbanizeHub - Shaping the Future of Cities Together	en	environment WordPress	robotsllmsaihumans	emailphone	none
plastogaz.com ↗	63 match 2 shared topics	Plastogaz - Sustainable Chemical Recycling	en	environment	robotsllmsaihumans	emailphone	none
sus-sci.com ↗	63 match 2 shared topics	Homepage - Sustainable living by science	en	environment WordPress	robotsllmsaihumans	emailphone	none
symbiosisgroup.com ↗	63 match 2 shared topics	Symbiosis	en	environment Wix	robots llmsaihumans	emailphone	none
2kindly.com ↗	62 match 2 shared topics	2Kindly \| Saving the Planet One Bag At a Time	en	environment WordPress WooCommerce	robotsllmsaihumans	emailphone	none
acehub.org.au ↗	62 match 2 shared topics	Australian Circular Economy Hub	AU en	environment	robotsllmsaihumans	emailphone	none
sustainable-humanity.com ↗	62 match 2 shared topics	Sustainable Humanity \| Humanité Durable	en	environment WordPress WooCommerce	robotsllmsaihumans	emailphone	none
biosystemseurope.co.uk ↗	62 match 2 shared topics	Home - Bio-Systems Europe	GB en	environment WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cseven.org ↗	62 match 2 shared topics	Home - C7 Cities of Seven Continents	en	environment WordPress WooCommerce	robotsllmsaihumans	emailphone	none
bansolutionfinder.org ↗	62 match 2 shared topics	Ban Solution Finder \| Alternatives to Single-Use Plastics in Australia	en	environment	robotsllmsaihumans	emailphone	none
batworks.nyc ↗	62 match 2 shared topics	BATWorks \| NYCEDC	en	environment Squarespace Magento	robotsllmsaihumans	emailphone	none
bicaradatafoundation.id ↗	62 match 2 shared topics	Bicara Data Foundation: Achieving Sustainable Development Goals in Indonesia	ID en	environment	robotsllmsaihumans	emailphone	none
joinecoquest.com ↗	62 match 2 shared topics	EcoQuest	en	environment	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.