5,000 tons of CO₂ set for removal, and a feature in Times Square

Our project partner finished spreading enough basalt to remove thousands of tons of CO₂, and is getting recognition for their efforts!

5,000 tons of CO₂ set for removal, and a feature in Times Square

Just the gist

Short on time? Here’s what you need to know for this update:

  • 5,000 tons of CO₂ out of our atmosphere — our project partners recently finished spreading enough basalt to remove thousands of tons of CO₂.
  • 📺 Featured in Times Square and Sky News — UNDO is gaining traction, recently being recognized as one of the Impact/100 most promising startups and being featured in high-profile public media.

For more project updates, follow Wren on Twitter and Instagram.


5,000 tons of CO₂ out of our atmosphere

Carbon dioxide naturally mixes with rainwater, which then reacts with rocks and soil when it lands, mineralizes, and is safely stored in carbonate form. Wren supporters help fund Enhanced rock weathering, which accelerates this natural process that would usually take hundreds of thousands of years.

Earlier this year, our project finished delivering and spreading basalt across a number of operations in the USA that, over time, will remove 5,000 tons of CO₂ from our atmosphere. The fact that these are some of our partners' first basalt-spreading initiatives in the US is also exciting. They are gaining more support and have recently expanded outside of their home base of Scotland to countries like the US and Australia!

Spreading rock across a field via tractor.

Last year, our partner started conducting trials on how basalt spread affects nutrients, pH, and overall soil health. The trials continue, now with 12 new field trials exploring the agronomic benefits of enhanced rock weathering on crops.

Silage (fodder often used for cattle and sheep feed), spring barley, spring oats, and potatoes have been in harvest for the last month or so, and our research team on the ground is excited to share their results soon.

“Our small plot trials are being sampled every six weeks, gathering an extra 252 samples each time to demonstrate the agronomic benefits of enhanced rock weathering. Harvest is also fast approaching or, in the case of grass trials, already underway.”

Jez Wardman, senior agronomist

Fighting climate change is a collective effort. The more that people get excited about solutions, the better chance we have at making a difference. Our project has recently had some major mainstream spotlights—at Times Square and Sky News!

The Impact/100 is an annual list by Norrsken celebrating the world’s 100 most promising impact startups. These remarkable initiatives stand at the forefront of shaping a more promising and sustainable future for our planet.

The UNDO team recently shared, “Being recognised alongside such innovative companies reminds us of the collective effort required to tackle the pressing challenges of our time. It’s ‘100 ways to fix the future.’” You can check out the other 99 projects here.

Additionally, our project partners were featured in a segment on The Climate Show with Tom Heap, hosted by Sky News.

That's all for this update! As always, thank you for your support.
— the Wren team 🧡