{"id":372324,"date":"2025-03-27T17:00:03","date_gmt":"2025-03-27T16:00:03","guid":{"rendered":"https:\/\/climatescience.press\/?p=372324"},"modified":"2025-03-27T17:00:05","modified_gmt":"2025-03-27T16:00:05","slug":"hello-is-that-net-zero-sorry-wrong-number","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=372324","title":{"rendered":"Hello, is that Net Zero? Sorry, wrong\u00a0number"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

From Climate Scepticism<\/a><\/p>\n\n\n\n

By\u00a0Jit<\/a><\/strong><\/p>\n\n\n\n

Many apologies, but I couldn\u2019t help noticing that your carbon is leaking.<\/em><\/strong><\/p>\n\n\n\n

\u201cAnalysis: UK emissions fall 3.6% in 2024 as coal use drops to lowest since 1666\u201d<\/em> Carbon Briefs said a couple of weeks ago<\/a>, while tooting their kazoos. The records were tumbling. Not only was coal use the lowest since 1666, but also, the UK emitted less CO2<\/sub> than any year since 1872.<\/p>\n\n\n\n

That the last coal-fired power station had closed was trumpeted, or kazoo\u2019d, and excuses were made for the closure of the Port Talbot blast furnace:<\/p>\n\n\n\n

\u201c\u2026it is not at all clear that the UK steel sector would have fared differently \u2013 or that the Port Talbot blast furnaces would have remained open \u2013 in the absence of climate policy.\u201d<\/em><\/p>\n\n\n\n

Sure. That\u2019s why Tata commissioned a new blast furnace<\/a> at Kalinganagar, bringing the site\u2019s capacity up to 8 million tonnes per year. It\u2019s going to be India\u2019s largest, and \u201ca key enabler of socio-economic development in the region.\u201d Meanwhile, all we are is ashes.<\/p>\n\n\n\n

But I didn\u2019t come here to talk about that. Rather, I wanted to make a note about Net Zero, and how it is the wrong benchmark if we are supposed to be measuring the UK\u2019s contribution to global CO2<\/sub> emissions. [Parameters are Capitalised below.]<\/p>\n\n\n\n

How so? Well, the target of Net Zero is for Net Zero Territorial Emissions. This number consists of emissions that we produce, in manufacturing, heating and transport etc in the UK, and includes exports. Thus:<\/p>\n\n\n\n

Territorial Emissions = emissions created & consumed here + emissions created here & exported<\/em><\/p>\n\n\n\n

The parameter missing, when it comes to measuring the UK\u2019s total contribution to CO2<\/sub> emissions, is:<\/p>\n\n\n\n

Emissions created elsewhere and consumed here<\/em><\/p>\n\n\n\n

This lacuna gives rise to many ways to move emissions off-book. Mr. Drax emits over 10 million tonnes of CO2<\/sub> per year, as reported here<\/a>. But those emissions count against the countries that cut down their forests to feed him, not against us. So, if we want to save another 10 million tonnes of emissions\u2026 all we need to do is open another wood-pellet burning monster, call her Mrs. Drax, and hopefully find unscrupulous countries willing to destroy their forests in order to massage our Net Zero spreadsheet.<\/p>\n\n\n\n

All those Chinese EVs that are floating across to us? The emissions associated with them counts against China\u2019s ledger. The solar panels? Ditto. We can get a lot closer to Net Zero if we just stop making cars altogether, and stop making solar panels\u2026<\/p>\n\n\n\n

\u2026what\u2019s that? We don\u2019t make solar panels?<\/p>\n\n\n\n

I wonder why.<\/p>\n\n\n\n

OK, so what should we be measuring? Not Territorial Emissions, but Consumption Emissions.<\/p>\n\n\n\n

Consumption Emissions = emissions created & consumed here + emissions created elsewhere and imported here<\/em><\/p>\n\n\n\n

Note that this number is net of any emissions that we export. Thus, if we build a Transit Van\u2026<\/p>\n\n\n\n

We don\u2019t build Transits any more. They moved production to Turkey ten years ago.<\/p>\n\n\n\n

\u2026 OK, but pretend that we did, and then exported the van to, say, Turkey \u2013 the associated emissions would not count on our books.<\/p>\n\n\n\n

Our Consumption Emissions would equal our Territorial Emissions if exports and imports of emissions were exactly in balance. But we know, without even looking at the numbers, that we import more emissions than we export, right? In other words, while Carbon Briefs can kazoo about how our emissions are the lowest since 1872, they are glossing over the obvious point that we import far more than we did back then; other people make our stuff now. In fact, it\u2019s fair to say that we were net exporters<\/em> of emissions in 1872, just as we are net importers<\/em> of emissions now. Those exported emissions would not have been on the Victorians\u2019 books, even if they had bothered to compile carbon dioxide accounts.<\/p>\n\n\n\n

Just how different are the two measures, when it comes to the UK?<\/h4>\n\n\n\n

I was getting to that. The ONS produces statistics<\/a> that include Consumption Emissions. But as the accounting for the embodied emissions in far-flung places is Quite Hard, the stats come with a three-year lag. That means the most recent stats I can find for this date to 2021.<\/p>\n\n\n\n

In 2021, our Territorial Emissions were 421 Mt CO2<\/sub>e. That\u2019s the number against which Net Zero is to be judged; it has to reach Zero by 2050.<\/p>\n\n\n\n

In 2021, our Consumption Emissions were 705 Mt CO2<\/sub>e. That\u2019s the number that measures our actual impact on global CO2<\/sub> emissions. This number does not have to reach anything by 2050; it can stay at 705 Mt, if we like.<\/p>\n\n\n

\n
\"\"
Data: ONS at link given<\/figcaption><\/figure>\n<\/div>\n\n\n

The yellow area shows Imported Emissions. The other three strips DO NOT add up to Territorial Emissions. That\u2019s because Territorial Emissions includes our Exported Emissions, which are not shown here.<\/p>\n\n\n\n

The difference between Consumption Emissions and Territorial Emissions is 284 Mt CO2<\/sub>e, and it is worth remembering that 284 Mt is the net of Imported \u2013 Exported Emissions. In other words, we Imported 284 Mt CO2<\/sub>e more than we Exported in 2021.<\/p>\n\n\n\n

Luckily, because the ONS figures include the emissions embedded in Imports, we can also calculate how much we exported.<\/p>\n\n\n\n

In 2021, Imported Emissions (yellow stripe in the figure above) were 381 Mt CO2<\/sub>e, and as the net was 284, we can calculate that our Exported Emissions were (381 \u2013 284) = 97 Mt CO2<\/sub>e. Quite a trade imbalance, I\u2019m sure you\u2019ll agree.<\/p>\n\n\n\n

If you glance sideways at two numbers: Consumption Emissions of 721 Mt CO2<\/sub>e and Imported Emissions of 381 Mt CO2<\/sub>e, you will notice that the Imported Emissions are now more than half of our Consumption Emissions. This proportion will inexorably rise; by 2050, if we hit Net Zero then, ALL of our emissions will be imported.<\/p>\n\n\n\n

The next figure shows the UK\u2019s Consumption Emissions as before. As before, it shows the amount attributable to imports. The remainder is relabelled as Territorial Emissions after exports. I think this shows more clearly that Imported Emissions have not really changed at all, while emissions produced and consumed here have gone down markedly.<\/p>\n\n\n

\n
\"\"
Data: ONS, same place<\/figcaption><\/figure>\n<\/div>\n\n\n

The final figure shows how Territorial Emissions are going down much faster than Consumption Emissions. On the trajectories shown, the UK will hit Net Zero in 2050 all right, as far as Territorial Emissions is concerned. But we will still be importing c. 400 Mt CO2<\/sub>e, which will be on the books of other countries. That\u2019s more than the UK\u2019s 2024 Territorial Emissions that Carbon Briefs are kazooing about (371 Mt).<\/p>\n\n\n

\n
\"\"
Data: ONS again<\/figcaption><\/figure>\n<\/div>\n\n\n

CONCLUSION<\/h4>\n\n\n\n

In 2021, and for the first time, Imported Emissions (381 Mt) accounted for more than half of the UK\u2019s Consumption Emissions (705 Mt). The UK\u2019s Territorial Emissions (421 Mt in 2021) have dropped substantially, and it is these against which Net Zero must be judged. But Territorial Emissions do not truly represent the UK\u2019s impact on the atmosphere; Consumption Emissions do.<\/p>\n\n\n\n

Using Territorial Emissions as the stat of choice enables net importers, like the UK, to gloss over what is really going on, by hiding their carbon footprints off book. People of the UK will still be responsible for lots of emissions long after we reach the hallowed Net Zero, if we ever do.<\/p>\n\n\n\n

CAVEAT<\/h4>\n\n\n\n

Should our trading partners reduce their carbon intensity, then a smaller amount of CO2<\/sub> will be imported. Similarly, the UK can reduce its exports of CO2<\/sub> in two ways: one, by exporting less; two, by reducing the carbon intensity of production.<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Many apologies, but I couldn\u2019t help noticing that your carbon is leaking.<\/p>\n","protected":false},"author":121246920,"featured_media":372334,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_crdt_document":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[691834098,691829997,691828037,691819716,691820455,691818154,691827538],"class_list":{"0":"post-372324","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-carbon-briefs","9":"tag-carbon-dioxide-co","10":"tag-chinese-evs-2","11":"tag-climate-policy","12":"tag-coal-fired-power-station","13":"tag-net-zero","14":"tag-uk-emissions","16":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/03\/0tdjkzmar.png?fit=1024%2C576&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1yRe","jetpack-related-posts":[{"id":243190,"url":"https:\/\/climatescience.press\/?p=243190","url_meta":{"origin":372324,"position":0},"title":"SMH: 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