{"id":9306,"date":"2026-03-19T16:38:12","date_gmt":"2026-03-19T15:38:12","guid":{"rendered":"https:\/\/www.marquis.rs\/en\/?p=9306"},"modified":"2026-04-13T17:41:32","modified_gmt":"2026-04-13T15:41:32","slug":"co2-emissions-and-the-shutdown-of-the-kyoto-itl-system","status":"publish","type":"post","link":"https:\/\/www.marquis.rs\/en\/blog\/co2-emissions-and-the-shutdown-of-the-kyoto-itl-system\/","title":{"rendered":"CO\u2082 Emissions and the Shutdown of the Kyoto ITL System"},"content":{"rendered":"<p>CO\u2082 emissions have been at the center of global climate policy for decades. The Kyoto Protocol is frequently mentioned in that context, yet few truly understand what it introduced and how it functioned. In this text, we briefly explain its significance, what it means that the Kyoto Transaction Log (ITL) system is shutting down on March 31 this year, and how this relates to ventilation, energy efficiency, and indoor air quality.<\/p>\n<p>The Kyoto Protocol was adopted in 1997. However, it entered into force only on February 16, 2005. For the first time, signatory countries accepted legally binding targets for reducing greenhouse gas emissions.<\/p>\n<h2><strong>The First Global Environmental Conference: The Beginning<\/strong><\/h2>\n<p>Global environmental awareness began with the first United Nations Conference on the Human Environment, held in Stockholm in June 1972. The Stockholm Declaration was adopted there, initiating a global dialogue on the relationship between economic growth and pollution of air, water, and soil for the benefit of humanity. An Action Plan was also adopted.<\/p>\n<p>The most significant outcome of the conference was the establishment of the United Nations Environment Programme (UNEP).<\/p>\n<h2><strong>How Did Global CO<\/strong><strong>\u2082<\/strong><strong> Emission Control Begin?<\/strong><\/h2>\n<p>The story began with the adoption of the UNFCCC (United Nations Framework Convention on Climate Change) at the Rio Summit in 1992. However, it was only with the entry into force of the Kyoto Protocol that the era of operational emission control began.<\/p>\n<p>For the system to function, more than political will was required:<\/p>\n<ul>\n<li>A precise methodology for calculating emissions<\/li>\n<li>National registries<\/li>\n<li>International oversight<\/li>\n<li>Verification of transactions<\/li>\n<\/ul>\n<p>CO\u2082 emissions were no longer just statistical data. They became part of a global infrastructure of accountability.<\/p>\n<h2><strong>The Kyoto Protocol: A Turning Point for CO<\/strong><strong>\u2082<\/strong><strong> Emissions<\/strong><\/h2>\n<p>The Kyoto Protocol operationalized the UN Framework Convention on Climate Change (UNFCCC), which had set the objective of stabilizing greenhouse gas concentrations. Kyoto introduced concrete, binding emission quotas for developed countries.<\/p>\n<p>During the 2008 &#8211; 2012 period, emissions of CO\u2082 and other greenhouse gases were to be reduced on average by 5% compared to 1990 levels. For the first time, CO\u2082 emissions became a measurable, monitored, comparable, and &#8211; most importantly &#8211; sanctionable value if limits were exceeded.<\/p>\n<p>Kyoto also introduced the principle of \u201ccommon but differentiated responsibilities,\u201d recognizing that developed countries had historically contributed the most to the increase of CO\u2082 emissions in the atmosphere.<\/p>\n<h2><strong>What Are Emission Units?<\/strong><\/h2>\n<p>This is the point where confusion often arises &#8211; emission units. In simple terms, an emission unit represents the right to emit a certain amount of greenhouse gases. Most commonly, this equals one metric ton of CO\u2082 or an equivalent amount of other greenhouse gases (CO\u2082e), converted accordingly.<\/p>\n<p>Under the Kyoto Protocol, countries were allocated specific quantities of emission units. If a country emitted less CO\u2082 than permitted, it could sell surplus emission units to another country that had exceeded its limit. This created a new international market.<\/p>\n<p>Emission units became both an instrument for achieving global CO\u2082 reduction and a tradable commodity.<\/p>\n<h2><strong>Why Was the Kyoto Transaction Log (ITL) System Crucial?<\/strong><\/h2>\n<p>The Kyoto Transaction Log (ITL) was a central electronic system that verified and recorded international transactions of emission units.<\/p>\n<p>When a country bought or sold emission units, the ITL verified whether the transaction complied with established rules. In other words, the ITL acted as the digital guardian of system integrity.<\/p>\n<p>Without it, CO\u2082 emissions trading would not have had credibility. Without measurement and records, CO\u2082 emissions could not have been effectively reduced.<\/p>\n<h2><strong>Official Termination of the ITL System<\/strong><\/h2>\n<p>According to official data, the ITL system will cease operations on March 31 this year. Its shutdown does not mean the end of the Kyoto Protocol. However, it does signify the end of its original market infrastructure.<\/p>\n<p>The Paris Agreement now assumes the central role in global climate policy.<\/p>\n<p>The shutdown of the ITL symbolically closes an era in which global CO\u2082 emissions were, for the first time, systematically monitored through a binding international trading regime.<\/p>\n<h2><strong>CO<\/strong><strong>\u2082<\/strong><strong> Emissions from Buildings: Why They Matter<\/strong><\/h2>\n<p>While international emission monitoring systems evolve, the fundamental issue remains the same. CO\u2082 emissions continue to rise in many parts of the world.<\/p>\n<p>Did you know that buildings account for approximately 40% of global energy consumption? When this includes heating, cooling, ventilation, lighting, domestic hot water preparation, elevators, water and sewage pumps, and other energy consumers, it becomes clear how energy-intensive the building sector is.<\/p>\n<p>If indirect emissions are included &#8211; production of construction materials, transport, and system installation &#8211; the total contribution of the building sector to CO\u2082 emissions becomes even higher.<\/p>\n<h2><strong>If Buildings Are Part of the Problem, They Must Be Part of the Solution<\/strong><\/h2>\n<p>Due to the significant contribution of the building sector, the European Union adopted a new version of the Energy Performance of Buildings Directive (EPBD). It sets more ambitious targets for reducing energy consumption and CO\u2082 emissions, while also emphasizing the creation of healthy indoor air environments.<\/p>\n<blockquote><p>SEE ALSO:<a href=\"https:\/\/www.marquis.rs\/en\/blog\/epbd-energy-efficient-buildings-need-healthy-indoor-air\/\">EPBD: Energy-Efficient Buildings Need Healthy Indoor Air<\/a><\/p><\/blockquote>\n<h2><strong>Residential Buildings: A Major Opportunity for Emission Reduction<\/strong><\/h2>\n<p>Residential buildings are spaces where people spend most of their lives. This is where CO\u2082 emissions, energy consumption, and indoor air quality become daily realities \u2014 but also major opportunities for savings.<\/p>\n<p>Modern systems now integrate ventilation, energy efficiency, and sensor-based monitoring into a unified framework. When ventilation operates according to actual occupancy and load, and energy is not wasted unnecessarily, CO\u2082 emissions associated with building operation can be significantly reduced.<\/p>\n<p>Interestingly, indoor CO\u2082 is also used as an indicator of air freshness and ventilation performance.<\/p>\n<blockquote><p>SEE ALSO: <a href=\"https:\/\/www.marquis.rs\/en\/blog\/pettenkofers-number-co%e2%82%82-and-indoor-air-quality\/\">The Pettenkofer Number \u2013 CO\u2082 and Indoor Air Quality<\/a><\/p><\/blockquote>\n<h2><strong>The Next Step After Global Climate Policy<\/strong><\/h2>\n<p>Global climate policies have taught us how to define CO\u2082 emissions. The next step is reducing them within buildings.<\/p>\n<p>Although one international system is being shut down, the need for responsible greenhouse gas emission management remains. CO\u2082 emissions have not disappeared. However, the way we approach them must become more precise, localized, and technologically advanced than ever before.<\/p>\n<p>Today, with sensor-based monitoring and data analytics, systems no longer react only to preset parameters. They learn occupancy patterns, adjust ventilation to actual air load, and optimize energy consumption without compromising air quality.<\/p>\n<h2><strong>Marquis Intelligence: From Global Frameworks to Healthy Air in Practice<\/strong><\/h2>\n<p>Climate policy cannot exist without measurement, monitoring, and operational solutions.<\/p>\n<p>Today, in the post-ITL era, the same principle becomes equally important at the local level &#8211; inside buildings.<\/p>\n<p>This is where climate goals become tangible: in the quality of the air people breathe, in system energy efficiency, and in how buildings operate day by day.<\/p>\n<p>At <strong>Marquis Intelligence,<\/strong> we believe that CO\u2082 emissions and sustainability are not merely global topics, but engineering challenges solved through concrete solutions:<\/p>\n<ul>\n<li>Intelligent ventilation with highly energy-efficient heat recovery<\/li>\n<li>Precise energy consumption management<\/li>\n<li>Continuous indoor air quality monitoring<\/li>\n<li>Systems that integrate health, comfort, and sustainability<\/li>\n<\/ul>\n<blockquote><p>SEE ALSO: <a href=\"https:\/\/www.marquis.rs\/en\/blog\/residential-ventilation-by-marquis-intelligence\/\">Residential Ventilation by Marquis Intelligence<\/a><\/p><\/blockquote>\n<p>If buildings are part of the problem, they must become part of the solution.<\/p>\n<p>And that solution begins precisely where climate strategy becomes tangible: in the spaces where we live, work, and breathe.<\/p>\n<h2><strong>Sources<\/strong><\/h2>\n<ul>\n<li><a href=\"https:\/\/unfccc.int\/process-and-meetings\/the-paris-agreement\/the-paris-agreement-overview\" target=\"_blank\" rel=\"noopener\">https:\/\/unfccc.int\/process-and-meetings\/the-paris-agreement\/the-paris-agreement-overview<\/a><\/li>\n<li><a href=\"https:\/\/unfccc.int\/process-and-meetings\/the-kyoto-protocol\" target=\"_blank\" rel=\"noopener\">https:\/\/unfccc.int\/process-and-meetings\/the-kyoto-protocol<\/a><\/li>\n<li><a href=\"https:\/\/www.un.org\/en\/conferences\/environment\/stockholm1972\" target=\"_blank\" rel=\"noopener\">https:\/\/www.un.org\/en\/conferences\/environment\/stockholm1972<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong><em>This text is part of the series \u201cLearn More About Air Through History and People\u201d from the Marquis Intelligence archive.<br \/>\n<\/em><\/strong><strong><em>Document: MI-LAH-010.26 &#8211; The Kyoto Transaction Log System Is Shutting Down &#8211; But What About CO<\/em><\/strong><strong><em>\u2082<\/em><\/strong><strong><em> Emissions?<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CO\u2082 emissions have been at the center of global climate policy for decades. The Kyoto Protocol is frequently mentioned in<\/p>\n","protected":false},"author":9,"featured_media":9308,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[409,385,401],"class_list":["post-9306","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-air-history-and-people","tag-co","tag-co2-emissions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CO\u2082 Emissions and the Shutdown of the Kyoto ITL System - Marquis Intelligence<\/title>\n<meta name=\"description\" content=\"The Kyoto Protocol is frequently mentioned in that context, yet few truly understand what it introduced and how it functioned.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marquis.rs\/en\/blog\/co2-emissions-and-the-shutdown-of-the-kyoto-itl-system\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CO\u2082 Emissions and the Shutdown of the Kyoto ITL System - 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