Have you ever read a greenhouse gas inventory?
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For local, provincial, and national inventories, it depends. A typical inventory uses some sort of activity data and multiplies it by an emissions factor. So, total number of vehicle kilometers traveled, times a factor representing emissions per kilometer, gives total emissions for transportation.
@Django especially for industrial emissions, climate data specialists have to collect data from industry (how much steel manufactured, how many cattle raised). For energy use, it's usually numbers reported by the energy companies. So, yes, corporate reporting plays a big part.
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@Django especially for industrial emissions, climate data specialists have to collect data from industry (how much steel manufactured, how many cattle raised). For energy use, it's usually numbers reported by the energy companies. So, yes, corporate reporting plays a big part.
@Django if you're asking about the story you're sharing: that's not actually about a greenhouse gas inventory.
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@Django if you're asking about the story you're sharing: that's not actually about a greenhouse gas inventory.
@evan thanks for the context above, I realized my knowledge gaps seeing your poll after reading that story yesterday.
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@evan thanks for the context above, I realized my knowledge gaps seeing your poll after reading that story yesterday.
@evan no leaps intended, I’m trying to understand the difference between the Inventory and the Federal dataset mentioned in the story.
“The federal dataset is built using a mix of modelling and real-life measurements regularly collected by Environment and Climate Change Canada (ECCC) researchers from sites across the country. Those data include emissions from the entire oil and gas supply chain — from extraction to distribution to final use or export — to paint a really complete story,"
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@evan no leaps intended, I’m trying to understand the difference between the Inventory and the Federal dataset mentioned in the story.
“The federal dataset is built using a mix of modelling and real-life measurements regularly collected by Environment and Climate Change Canada (ECCC) researchers from sites across the country. Those data include emissions from the entire oil and gas supply chain — from extraction to distribution to final use or export — to paint a really complete story,"
@evan IIUC the federal dataset would be part of what is included in the National Inventory
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@evan IIUC the federal dataset would be part of what is included in the National Inventory
@Django ah, I might have misread the story! I thought it was about emissions reductions from adding a new pipeline.
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@Django ah, I might have misread the story! I thought it was about emissions reductions from adding a new pipeline.
@Django "The industry wants Ottawa to rely on Alberta’s measurement of methane emissions rather than the federal government’s own measurements when it calculates reductions in methane in its deal over a new pipeline and other support for the industry."
So, it's about generally tracking fugitive emissions. I stand corrected!
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@themediumkahuna does the university integrate the results into a climate action plan? And actually execute on that plan? That's pretty awesome.
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@log they aren't going to be great.
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Have you ever read a greenhouse gas inventory?
@evan I believe I read one for my first year seminar in college, which was about the end of the world.
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@evan I believe I read one for my first year seminar in college, which was about the end of the world.
@BathysphereHat that's really interesting!
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@BathysphereHat that's really interesting!
@evan It was a really cool class! We talked about a lot of different scenarios, from those completely outside humanity's control (like a near Earth supernova) to those very much within it. Climate change was naturally a big focus.
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@PhoenixSerenity I didn't know that! Wow.
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@PhoenixSerenity I didn't know that! Wow.
@evan We measured up in Arctic Circle & compared with Southern, more populated zones.
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Have you ever read a greenhouse gas inventory?
Hey, thanks everyone for your responses. I'm a yes; this used to be my job.
I think everyone who lives on this planet should have an idea of what's causing the emissions in their city, state or province, country, and on the planet. That's the only way we can tell good policies (reduce a lot of emissions) from bad ones (don't reduce emissions).
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Hey, thanks everyone for your responses. I'm a yes; this used to be my job.
I think everyone who lives on this planet should have an idea of what's causing the emissions in their city, state or province, country, and on the planet. That's the only way we can tell good policies (reduce a lot of emissions) from bad ones (don't reduce emissions).
@evan Out of curiosity, how reliable is this stuff? I'm not stating it isn't, just asking. There seems to be so much fuckery around things like claims of remediation for carbon credits that it gets hard to know what to trust.
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Hey, thanks everyone for your responses. I'm a yes; this used to be my job.
I think everyone who lives on this planet should have an idea of what's causing the emissions in their city, state or province, country, and on the planet. That's the only way we can tell good policies (reduce a lot of emissions) from bad ones (don't reduce emissions).
If you work for a company of medium size, they may also produce an inventory.
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@evan Out of curiosity, how reliable is this stuff? I'm not stating it isn't, just asking. There seems to be so much fuckery around things like claims of remediation for carbon credits that it gets hard to know what to trust.
@modulux It's really hard to ground truth these kinds of numbers -- it's not like we can directly measure carbon emissions from a city over a year. But there are ways to check.
Typically, climate data folks will try different estimation techniques and hope they match up. They measure per-capita values to see if they're within expected ranges.
And they do roll ups -- the emissions for all the provinces in Canada should roughly match the emissions for for Canada as a whole.
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If you work for a company of medium size, they may also produce an inventory.
Every country that's a part of the Paris Agreement produces a yearly report. Most states and provinces in the developed world do, too. Cities are spottier -- only about 5-10% have produced any inventories at all, and most only have done 1 or 2.
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Every country that's a part of the Paris Agreement produces a yearly report. Most states and provinces in the developed world do, too. Cities are spottier -- only about 5-10% have produced any inventories at all, and most only have done 1 or 2.
Sometimes inventories get hidden in really long documents, talking about how great the leadership of GiantCorp is, or complaining about how Province A is having to do all this work, when the other provinces aren't pulling their weight. But you can usually flip past to the tables and find the real info.
