This is a joke, right?
So, it seems they just *made it up*
it appears to mean "we have a prompt instruction to greenwash the AI responses"
After some more digging here’s a bit more on this from: https://ecosia.helpscoutdocs.com/article/534-ecosia-chat-ai
Ecosia Chat - Ecosia Help Center

The Ecosia AI Chat can help you be more climate active every day. The chatbot is powered by OpenAI, but your queries are not used to train the AI model. The cha

Ecosia on LinkedIn: #urbantrees #trees #heatwave | 31 comments

Our video from last summer is making the rounds again 🌳 And we get why — heatwave season is just around the corner. As far as solutions go, urban trees are… | 31 comments on LinkedIn

No response from Ecosia yet so I’m asking their AI chat

p.s. ecosia still has an ai chat that is chatgpt and they call the responses "green answers"

https://support.ecosia.org/article/534-ecosia-chat-ai

@fasterandworse
they added "make it about ecology" in their instructions and they gave it a name