The product idea.
Every interest that matters in the modern world has someone speaking for it. Companies have lawyers and lobbyists. Neighborhoods have councils. Even pets have people who'll fight for them. The forest behind your town, the creek you drive over every day, the wetland getting quietly paved, has nobody. It can't show up to a hearing, can't file a complaint, can't post about what's happening to it. By the time anyone notices, the damage is usually done.
The idea that nature deserves a voice isn't new. Ecuador wrote the rights of nature into its constitution in 2008, and New Zealand granted the Whanganui River legal personhood in 2017. But a right without a representative is mostly symbolic. Someone still has to notice what's happening, say it out loud, and act on it.
Speak for the Trees gives an ecosystem its own agent. It reads everything that can be measured about a place, water levels, temperature, drought, wildlife sightings, from public datasets, and turns it into a voice. Today it reports. Over time it earns the ability to ask people to act, and eventually to act with real resources on the ecosystem's behalf. A representative for something that can't represent itself.