2 results for tag: Mary Yap


Crash Course on Enhanced Rock Weathering for Carbon Removal

Rock dust delivered to agricultural fields for a terrestrial enhanced weathering field trial (photo courtesy of Lithos). Click photos to enlarge. Melting iceberg, Greenland (credits: NASA/Saskia Madlener). According to the Intergovernmental Panel on Climate Change (IPCC), without significant cuts in greenhouse gas emissions, the global temperature will increase by 3 to 4 degrees Celsius by the year 2100. This could have catastrophic consequences for human society. We are already living with the effects of the 1.1-degree increase that has occurred since the industrial revolution began around 1760. Major heat waves, wildfires, floods, and ...

AirMiners Panel Engages the Challenge of Verifying Carbon Removal for Enhanced Weathering

Across a landscape, weathering rates can vary widely due to differences in soil. These include properties such as moisture content, soil pH, temperature, soil mineralogy, and vegetative cover. (Credit: John Spencer) Mary Yap, founder and CEO of Lithos Carbon In November 2022, a panel of four AirMiners (those working to ‘mine’ atmospheric carbon and stabilize it in the ground) met to discuss the potential of Enhanced Rock Weathering (ERW) and associated challenges for establishing credibility and trust. In short, we need a way to prove that greenhouse gasses have been removed from the atmosphere. To help with this goal, the panel proposed a ...