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class='material-symbols-outlined'>arrow_back</span> </button> </div> <div class='ctsa__topArtInner'><a href='/innovation/eco-village-concept' class='cts__art'> <div class='cts__artImgCont'> <img alt='Algae-Based Building Concepts Article Thubnail' src='https://cdn.trendhunterstatic.com/phpthumbnails/484/484411/484411_1_230.jpeg?auto=webp' loading='lazy' class='cts__artImg'/> <div class='cts__artText'> Algae-Based Building Concepts </div> </div> </a><a href='/innovation/bio-blocks' class='cts__art'> <div class='cts__artImgCont'> <img alt='Microalgae Building Materials Article Thubnail' src='https://cdn.trendhunterstatic.com/phpthumbnails/524/524964/524964_1_230.jpeg?auto=webp' loading='lazy' class='cts__artImg'/> <div class='cts__artText'> Microalgae Building Materials </div> </div> </a><a href='/innovation/algaebased-cement' class='cts__art'> <div class='cts__artImgCont'> <img alt='Sustainable Algae-Based Cement Article Thubnail' 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class='ctsa__gControls'> <button type='button' class='ctsa__gBtn ctsa__gBtn--next' aria-label='Gallery Next'></button> <button type='button' class='ctsa__gBtn ctsa__gBtn--prev' aria-label='Gallery Previous'></button> </div> </div> <h2 class='ctsa__h2'>University of Colorado Boulder Researchers Seek Carbon-Neutral Solutions</h2> <a rel='author' class='ctsa__author' href='https://www.trendhunter.com/knedelch'>Kalin Ned — August 2, 2022</a> <div class='ctsa__refs'>References: <a target=_blank href='https://www.dezeen.com/2022/07/29/algae-grown-limestone-route-carbon-negative-concrete-architecture-news/' class='ctsa__ref' rel='nofollow noreferrer'>dezeen</a></div> <div class='ctsa__body'> <div class='ctsa__au2'><a href='/a-path-to-a-cleaner-sky' class='cts__banner cts__banner--square'> <div class='cts__bannerIconCont'> <img width=80 height=60 alt='Reduce, Reuse, Recycle <span class="cts__item--underline">AND REMOVE</span> Icon' loading='lazy' src='https://cdn.trendhunterstatic.com/cts/icons/clean-the-sky-atmospheric-bathtub-icon1.svg' class='cts__bannerIcon' /> </div> <div class='cts__bannerT1'>Reduce, Reuse, Recycle <span class="cts__item--underline">AND REMOVE</span></div> </a></div> <p class='cts__p'>Many researchers are looking for carbon-neutral solutions that can be implemented across industries—from production and manufacturing to building and consumption. This goal comes as climate change continues to wreak havoc, especially on vulnerable populations and animals. </p><p class='cts__p'>Researchers at the University of Colorado Boulder recently developed a carbon-neutral solution for concrete as a building material that has the potential to be "even carbon-negative." In other to do so, the researchers harnessed the power of algae. Through photosynthesis, microalgae naturally produce limestone. The researchers found a way to harness biogenic limestone in place of quarried limestone which is a component of portland cement. </p><p class='cts__p'>While the current state of the algae-grown limestone is carbon-neutral, the innovative material has the potential to become carbon-negative "if the additional ground limestone, typically added to the mixture as a 'filter material,' is also replaced by the algae-grown alternative."</p><p class='cts__p'>Image Credit: Glenn Asakawa/CU Boulder </div> </div> <aside class='ctsa__right'> <a href='/a-path-to-a-cleaner-sky' class='ctsa__au1'><img loading='lazy' src='https://cdn.trendhunterstatic.com/cts/assets/a-path-to-a-cleaner-sky.jpg' width=300 height=300 alt='Clean the Sky Framework Image' class='ctsa__au1Img'/></a> <nav class='ctsa__navRight'> <h3 class='ctsa__navRightHeader'>Clean the Sky</h3> <div class='ctsa__navRightInner'> <a href='/' class='ctsa__navItem'> <span class='material-symbols-outlined ctsa__navItemIcon'>cloud</span> <label 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