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  2. Tufa - Wikipedia

    en.wikipedia.org/wiki/Tufa

    Tufa columns at Mono Lake, California. Tufa is a variety of limestone formed when carbonate minerals precipitate out of water in unheated rivers or lakes. Geothermally heated hot springs sometimes produce similar (but less porous) carbonate deposits, which are known as travertine or thermogene travertine.

  3. Environmental impact of concrete - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Concrete produced by carbonation curing also shows superior performance when subject to physical degradations, e.g., freeze-thaw damage, particularly due to a pore densification effect enabled by the precipitation of carbonation products [38] The vast majority of CO 2 emissions from concrete come from cement manufacturing. Therefore, methods to ...

  4. Expanded clay aggregate - Wikipedia

    en.wikipedia.org/wiki/Expanded_clay_aggregate

    LECA is usually produced in different sizes and densities from 0.1 millimetres (0.004 in) up to 25 millimetres (1.0 in), commonly 0–4 mm, 4–10 mm, 10–25 mm and densities of 250, 280, 330, and 510 kg/m 3. LECA boulder is the biggest size of LECA with 100–500 mm size and 500 kg/m 3 density.

  5. Types of concrete - Wikipedia

    en.wikipedia.org/wiki/Types_of_concrete

    Typically, a batch of concrete can be made by using 1 part Portland cement, 2 parts dry sand, 3 parts dry stone, 1/2 part water. The parts are in terms of weight – not volume. For example, 1-cubic-foot (0.028 m 3 ) of concrete would be made using 22 lb (10.0 kg) cement, 10 lb (4.5 kg) water, 41 lb (19 kg) dry sand, 70 lb (32 kg) dry stone (1/ ...

  6. Massive precut stone - Wikipedia

    en.wikipedia.org/wiki/Massive_precut_stone

    Located in the 19th district of Paris, the development has a floor space of 35,200 m 2; stone and concrete were used as the main construction materials. [61] 2022. Perraudin and WYSWYG architects completed construction of their design of a mixed-used MP stone building in Lyon. [62] In December 2023, France 2 covered the resurgence of stone ...

  7. Human composting is rising in popularity as an earth-friendly ...

    www.aol.com/human-composting-rising-popularity...

    About 60% of people who die in the US are cremated, according to the Cremation Association of North America. Earth Funeral combines the human remains with mulch, wood chips and wildflowers to ...

  8. LA's wildfires gutted the celebrity-packed Pacific Palisades ...

    www.aol.com/la-wildfire-ripping-neighborhood...

    According to photos obtained by People, the "Schitt's Creek" star's home was almost completely leveled by the following day, with only a stone chimney and a charred row of hedges left standing.

  9. Green building - Wikipedia

    en.wikipedia.org/wiki/Green_building

    Wood production emits less CO 2 than concrete and steel if produced in a sustainable way just as steel can be produced more sustainably through improvements in technology (e.g. EAF) and energy recycling/carbon capture(an underutilized potential for systematically storing carbon in the built environment). [41] [42] [43]