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<blockquote data-quote="N.Yorks." data-source="post: 7424434" data-attributes="member: 46426"><p>Well if the 1000t CO2 emitted is roughly 300 kg of carbon and if the market price for carbon was £30/tonne that tonne of cement just got £9000/t more expensive to make, so concrete will be used less and other construction material like timber etc will be used instead, or other products used. If you use lime instead of cement in mortar it grabs CO2 as it cures therefore fixing C again (C was released during manufacture).</p><p></p><p>So this will reduce demand for concrete except in situations where it can't be substituted......</p><p></p><p>Perhaps you'll plant trees not only for biodiversity, flood mitigation and C capture but also as a future building material. I'm just planning a 4ha end of field that never earnt a penny in cereals and it's got a large proportion of Oaks in the species mix and the hope is they will be big enough in 40-50 ish years to be processed as construction beams and columns. I'm registering it with the woodland carbon code so I can trade the C and return me an income in yrs 5,15,25,35 etc</p><p></p><p>That woodland will help offset that C which can't easily be erased from the farm system, then the rest can be traded........</p><p></p><p>So to your original question, it won't be business as usual for concrete their additional cost will reduce demend for it and they will have to compete with steel makers (at the moment), quarries, airlines, builders, water companies and the list is endless for carbon to offset until the whole economy rejigs to next to no carbon emmissions.</p><p></p><p>It will be the cost of the carbon that will drive the change...........away from emitting it. It'll probably be 10's of years to shift so c trading initially will drive the change.</p><p></p><p>To be honest it's taken me about a year to get the whole thing straight in my own mind so initial scepticism etc is totally normal.</p></blockquote><p></p>
[QUOTE="N.Yorks., post: 7424434, member: 46426"] Well if the 1000t CO2 emitted is roughly 300 kg of carbon and if the market price for carbon was £30/tonne that tonne of cement just got £9000/t more expensive to make, so concrete will be used less and other construction material like timber etc will be used instead, or other products used. If you use lime instead of cement in mortar it grabs CO2 as it cures therefore fixing C again (C was released during manufacture). So this will reduce demand for concrete except in situations where it can't be substituted...... Perhaps you'll plant trees not only for biodiversity, flood mitigation and C capture but also as a future building material. I'm just planning a 4ha end of field that never earnt a penny in cereals and it's got a large proportion of Oaks in the species mix and the hope is they will be big enough in 40-50 ish years to be processed as construction beams and columns. I'm registering it with the woodland carbon code so I can trade the C and return me an income in yrs 5,15,25,35 etc That woodland will help offset that C which can't easily be erased from the farm system, then the rest can be traded........ So to your original question, it won't be business as usual for concrete their additional cost will reduce demend for it and they will have to compete with steel makers (at the moment), quarries, airlines, builders, water companies and the list is endless for carbon to offset until the whole economy rejigs to next to no carbon emmissions. It will be the cost of the carbon that will drive the change...........away from emitting it. It'll probably be 10's of years to shift so c trading initially will drive the change. To be honest it's taken me about a year to get the whole thing straight in my own mind so initial scepticism etc is totally normal. [/QUOTE]
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