Tomorrow’s Tech Treepowered by Astra

Materials & Manufacturing · Projected milestone

Green steel

Estimated year~2028

72% by 2033 · including earlier years

The year is an editorial timing estimate. The percentage applies to occurrence by the stated deadline. These estimates are not calibrated odds.

Hydrogen replaces coke in iron ore reduction at commercial plants.

Explore this milestone on the interactive map

What the forecast means

Milestone stage: milestone (legacy definition)

Completion criteria: Legacy milestone: refine the observable threshold before resolving.

This page describes a forecast, rather than an achieved result. Read the methodology and assumptions.

Built on

Led to

No connections of this kind are recorded.

Sources & evidence

No individual source links are recorded for this milestone. Source coverage and review status vary across the atlas.

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.