# Carbon capture projects in construction

> Live situation record from CLSTR: https://clstr.news/situations/carbon-capture-projects-in-construction
> Updated: 2026-08-06T22:37:08.000Z. Sources: 5. Developments: 2.

In late July, major cement producers began scaling up low‑carbon initiatives. Holcim launched a free, virtual Sustainable Construction Academy to train professionals across Latin America, while Heidelberg Materials broke ground on the Padeswood carbon‑capture and storage (CCS) plant at its north‑Wales cement works, targeting 95 % capture of the site’s emissions.

A week later, the focus shifted to commercial‑scale conversion of captured CO₂ into building materials. In Spain, the AGGREGACO2 plant at the Port of Bilbao, operated by Biscay Eco Aggregates, began turning CO₂ and waste‑to‑energy residues into low‑carbon aggregates, with EU Innovation Fund support. Concurrently, researchers at Ohio State University demonstrated a process that uses industrial by‑products to capture CO₂ and produce high‑purity calcite and green hydrogen, offering a pathway to negative‑emission hydrogen production.

Together, the snapshots illustrate a rapid broadening of carbon‑capture efforts in the construction sector—from training and pilot CCS infrastructure to commercial aggregate production and novel waste‑to‑hydrogen technologies.

## Timeline

### 2026-08-06: Carbon Capture Projects Turn CO₂ and Waste into Low‑Carbon Aggregates and Green Hydrogen

Spain’s Bilbao plant turns CO₂ and waste into low‑carbon aggregates, while Ohio State researchers convert CO₂ and industrial waste into green hydrogen and calcite.

3 sources. https://clstr.news/cluster/carbon-capture-projects-turn-co-and-waste-into-lowcarbon-aggregates-and-green-hydrogen

### 2026-07-30: Cement industry rolls out sustainable construction academy and UK carbon capture plant

Holcim launched a free Spanish virtual Sustainable Construction Academy training 9,000+ professionals, while Heidelberg Materials progressed the Padeswood carbon capture plant in north Wales, targeting 95% CO2‑

2 sources. https://clstr.news/cluster/cement-industry-rolls-out-sustainable-construction-academy-and-uk-carbon-capture-plant

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Cite as: Carbon capture projects in construction. CLSTR, https://clstr.news/situations/carbon-capture-projects-in-construction