diff --git a/README.md b/README.md
index 46617ef..5bde46f 100644
--- a/README.md
+++ b/README.md
@@ -49,8 +49,8 @@ For those looking into climate-oriented job boards, check out the following link
     - [EnvironmentalCareer](https://environmentalcareer.com/)
     - [GreenJobsBoard](https://www.greenjobsboard.us/)
     - [NonProfitCareer](https://www.nonprofitcareer.com/)
-    - [NonprofitJobs](https://www.nonprofitjobs.org/)
-    - [SustainableBusiness](https://www.sustainablebusiness.com/)
+    - [NonprofitJobs](ERROR_URL)
+    - [SustainableBusiness](ERROR_URL)
     - [SustainabilityLeads](https://sustainabilityleads.com/jobs)
 
 Dedicated job searching events:
@@ -77,7 +77,7 @@ If you are a founder, here are some resources for you:
 ## Communities
 
 Open communities:
-- [ChangeMakerXChange](https://changemakerxchange.org/joincommunity/) (with a [specific program for climate-oriented work](https://changemakerxchange.org/changemakers-for-the-planet/))
+- [ChangeMakerXChange](DEAD_URL) (with a [specific program for climate-oriented work](https://changemakerxchange.org/changemakers-for-the-planet/))
 - [ClimateAction.tech](https://climateaction.tech/community/): focused on climate action within the tech industry
 - [ClimateChange AI](https://www.climatechange.ai/): a community bringing together AI solutions for climate, network and related training
 - [Climate Collective](https://climatecollective.org/) : a community of entrepreneurs, investors, non-profits and scientists leveraging digital technology for climate and nature action at scale