Carbon Emissions

ChatGPT & DALL-E generated panoramic image of a bauxite refinery with a red mud pond and a cement plant beside it

Just When I Thought I Was Done With Cement Replacements, A Look At Geopolymers

One of the many people who have suggested I look at something in the space of cement and concrete decarbonization suggested red mud. All I knew was that it had something to do with aluminum, and hence I thought it would be another metal slag supplement to cement. You know … [continued]

"Fossil Fuel Free Future" by Jeremy Buckingham MLC is licensed under CC-BY 2.0 license.

It’s Time To Ban Fossil Fuel Advertising, Brought To You By “The Godfathers Of Climate…

A safe climate depends on replacing coal, oil, and gas with clean energy sources. During a speech in New York City this week, United Nations Secretary-General António Guterres called for an end to fossil fuel advertising advertising. “The godfathers of climate chaos – the fossil-fuel industry – rake in record … [continued]

ChatGPT & DALL-E generated panoramic image of an electric cement truck covered in circuitry delivering cement to a construction site.

Publishing On Cement Decarbonization Brings Challenges, Corrections, & More Approaches

A few days ago I went deep on cement again, using an assessment of the processes of American clean cement startups to define the scope and magnitude of the problem, the chemistry and energy requirements of cement, why fixing it is critically important, and incidentally evaluate a couple of companies’ … [continued]

Photo by Carolyn Fortuna / CleanTechnica

Do Carbon Offsets Really Work?

Carbon offsets are credits that you purchase in order to balance out your emissions. You fund a project that will remove or store that same amount of carbon dioxide you emitted but in a different place. Your credit purchase means you “retire” the emissions to a carbon sink such as … [continued]

Image provided by Endera/ Sheraton San Diego via YouTube

Electric Shuttle Buses, Wireless Charging, Autonomous Service: Next Steps In Support Transport

The US Environmental Protection Agency (EPA) this week awarded nearly $900 million in rebates to help more than 500 school districts buy about 3,400 clean school buses — 92% of them electric. Electric buses and electric shuttle buses have enjoyed fast-growing adoption in recent years due to their potential benefits … [continued]

Photo by Carolyn Fortuna / CleanTechnica

Investment Progress For 2024: Position Yourself To Be Prepared For A Decarbonizing Economy

The need for greater climate finance has been the focus of numerous industry analyses, including at the 2023 United Nations Climate Change Conference (COP28). The World Economic Forum explains that we are in a place in which investment levels remain multiple times below what is needed to reach net zero … [continued]

ChatGPT & DALL-E generated panoramic image of a cement mixing and bagging plant beside a smoking volcano

Fly Ash, Silica Fume, & Natural Pozzolans Are Terms To Know When Talking Green Cement

Every domain brings with it a wealth of new language. Being the domain junky that I am, my head is creaking at the seams with jargon and technical terms from a multitude of places. Cement and concrete are no different. Today’s exploration is of the interesting world of supplementary cementitious … [continued]

ChatGPT & DALL-E generated create a panoramic image of an infrared view of methane leaking from a natural gas processing facility, dollar signs in the plume

US Industrial Natural Gas Consumers Could See 56% Higher Bills With Methane Leak Price

Remarkably, in 2022 the USA managed to get a greenhouse gas price through Congress. It wasn’t on carbon dioxide, the biggest problem, but it was on methane, the second biggest greenhouse gas problem we humans create. Perhaps more remarkably, it was explicitly on the oil and gas industry and excluded … [continued]