Tag Archives: cement

Lifespan of infrastructure, transportation, and buildings

Posted on February 27, 2021 by

Preface. What follows is from the International Energy Agency 2020 report “Energy technology perspectives” on how to transition to net zero emissions by 2050. This might require the replacement of just about everything, since power plants, steel blast furnaces, cement … Continue reading →

Posted in Airplanes, Automobiles, Concrete, Dams, Electricity Infrastructure, Energy Infrastructure, Limits To Growth, Manufacturing & Industrial Heat, Oil & Gas, Transportation Infrastructure, Trucks | Tagged , , , , , , | 5 Comments

Science magazine on Peak Sand 2017 and 2018

Posted on January 18, 2019 by

[ Sand is essential to make concrete, glass, silicon for computer chips, and many other products (longer list in Peak Sand), so no wonder top journal “Science” has had two articles on this topic. Sand mining also ruins ecosystems, lessens … Continue reading →

Posted in Peak Sand, Tsunami | Tagged , , , , | 4 Comments

Wind turbines hit limits to growth before 50% wind power penetration

Posted on February 27, 2015 by

Material requirements of 50% wind power in the USA hit limits to growth Also see: Davidsson, S., et al. 2014. Growth curves and sustained commissioning modelling of renewable energy Investigating resource constraints for wind energy. Energy Policy. Fizaine, F., et … Continue reading →

Posted in Electrification, Limits To Growth, Renewable Integration, Wind | Tagged , , , , , , , , , , , | 2 Comments