CragLev Carbon Capturing Retail Chalk

In 2018, we began researching ways to combat climate change by sequestering airborne carbon dioxide into magnesium carbonate climbing chalk.

After successfully developing a prototype, we decided on a few basic criteria that it must meet:

  1. It must be carbonated by carbon dioxide in the ambient air (known as direct air capture, or DAC).
  2. All ingredients must be environmentally friendly and not use mined magnesite as a base ingredient.
  3. The performance characteristics must match mined magnesite-based chalk options. Generally, synthetic magnesium carbonate chalk tends to sacrifice performance compared to mined chalk. Our prototype is as high-performing as magnesite chalk.

We were able to meet all three goals by utilizing a similar refinement process as magnesite-based chalk, but changing ingredients to those that are environmentally friendly, as well as one key ingredient that is carbon-negative. This allows us to recapture some of the carbon dioxide used to make the chalk.

Support CragLev

Our process is patented under US Patent no. 11484831.

If you would like to find out more about supporting CragLev, you can take a look at our Patreon page here:

Craglev Carbon Capture Chalk Graphic
China and the U.S. have an imbalanced trade relationship, meaning China buys much fewer goods from the U.S. than the U.S. buys from them. In fact, China’s monthly trade surplus with the US is $31.8 billion as of May 2021.
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