It’s difficult to put a price on the environment, and some scientists even argue it’s beside the point: that nature has intrinsic value, beyond the services it provides to us.
But in some situations, it helps to try to put it in economic terms: especially when those are the terms the world’s wealthiest are used to dealing in.
People always use the most extreme housing markets as the default example, which distorts the picture. You can buy a house with that income. I know because I did.