But now we are moving into new models.
With only weeks to go until 2020, the bubbles of climate anxiety are massing near the surface.
Unsurprisingly, in many urban areas the forecast is greater sprawl, with what's currently cropland, grassland, scrub, or sparse vegetation being replaced by artificial surfacing or buildings.
This mass movement of refugees — coupled with and severe drops in food and water availability — begin to stress the fabric of the world's largest nations, including the United States.
There is literally no time to lose.
The white points provide predictions without visuals.