In a world-first, scientists create eco-friendly cement from algae
Every year about two gigatons (2,000,000,000,000 Kg) of CO 2 is released into our environment due to the production and usage of cement. According to a report from the United States Environment Protection Agency (EPA), cement among the top ten biggest sources of industrial pollution.
https://interestingengineering.com/biogenic-limestone-from-microalgae