{"id":35809,"date":"2016-07-08T09:00:00","date_gmt":"2016-07-08T07:00:00","guid":{"rendered":"https:\/\/www.wearewater.org\/insights\/the-reduction-of-co2-emissions-a-main-global-objective\/"},"modified":"2016-07-08T09:00:00","modified_gmt":"2016-07-08T07:00:00","slug":"the-reduction-of-co2-emissions-a-main-global-objective","status":"publish","type":"waw_insight","link":"https:\/\/www.wearewater.org\/en-in\/insights\/the-reduction-of-co2-emissions-a-main-global-objective\/","title":{"rendered":"The reduction of CO2 emissions, a main global objective"},"content":{"rendered":"<div class=\"whads-insightvideo-gblock\"><div class=\"whads-lazyload-video\" data-video-id=\"x1SgmFa0r04\" data-video-type=\"youtube\"><div class=\"whads-lazyload-video__cover\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/maxresdefault-2023-11-17T093822.520.jpg\" class=\"whads-lazyload-video__cover__image\" alt=\"Video\" srcset=\"https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/maxresdefault-2023-11-17T093822.520.jpg 1280w, https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/maxresdefault-2023-11-17T093822.520-300x169.jpg 300w, https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/maxresdefault-2023-11-17T093822.520-1024x576.jpg 1024w, https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/maxresdefault-2023-11-17T093822.520-768x432.jpg 768w, https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/maxresdefault-2023-11-17T093822.520-600x338.jpg 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><div class=\"svg-wrapper whads-lazyload-video__cover__play\"><svg width=\"102\" height=\"102\" viewBox=\"0 0 102 102\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<g filter=\"url(#filter0_d_64_1959)\">\n<path opacity=\"0.7\" fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M70.0034 46.1979L39.7539 27.5216C39.1127 27.1259 38.3677 27.6225 38.3677 28.2938V65.6465C38.3677 66.3205 39.1127 66.8171 39.7539 66.4215L70.0034 47.7451C70.5764 47.3904 70.5764 46.5499 70.0034 46.1979Z\" fill=\"white\"\/>\n<circle opacity=\"0.7\" cx=\"50.9998\" cy=\"46.9728\" r=\"45.3172\" stroke=\"white\" stroke-width=\"2.41692\"\/>\n<\/g>\n<defs>\n<filter id=\"filter0_d_64_1959\" x=\"0.474121\" y=\"0.447144\" width=\"101.051\" height=\"101.051\" filterUnits=\"userSpaceOnUse\" color-interpolation-filters=\"sRGB\">\n<feFlood flood-opacity=\"0\" result=\"BackgroundImageFix\"\/>\n<feColorMatrix in=\"SourceAlpha\" type=\"matrix\" values=\"0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 127 0\" result=\"hardAlpha\"\/>\n<feOffset dy=\"4\"\/>\n<feGaussianBlur stdDeviation=\"2\"\/>\n<feComposite in2=\"hardAlpha\" operator=\"out\"\/>\n<feColorMatrix type=\"matrix\" values=\"0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.25 0\"\/>\n<feBlend mode=\"normal\" in2=\"BackgroundImageFix\" result=\"effect1_dropShadow_64_1959\"\/>\n<feBlend mode=\"normal\" in=\"SourceGraphic\" in2=\"effect1_dropShadow_64_1959\" result=\"shape\"\/>\n<\/filter>\n<\/defs>\n<\/svg>\n<\/div><\/div><\/div><\/div><div class=\"whads-insighttext-gblock\"><div class=\"whads-insighttext-gblock__heading__col\"><h2 class=\"whads-insighttext-gblock__heading\">One year in the life of atmospheric CO2<\/h2><\/div><div class=\"whads-insighttext-gblock__text__col\"><p>This video, generated by a high-resolution computer model at the NASA&#8217;s Goddard Space Flight Center, is spectacular and enlightening. It shows where CO<sub>2<\/sub> is generated and how this gas travels through the atmosphere. In this video we will also see the carbon monoxide (CO) emission, a toxic gas that does not cause the greenhouse effect but is one of the more detrimental pollutants to the capacity of the atmosphere to regenerate by eliminating other pollutants.<\/p>\n<\/div><\/div>\n\n<div class=\"whads-insighttext-gblock\"><div class=\"whads-insighttext-gblock__heading__col\"><\/div><div class=\"whads-insighttext-gblock__text__col\"><p>CO<sub>2<\/sub> is represented by a colour scale from blue to purple (at the bottom right); CO by a grey scale.\u00a0<\/p>\n<p>It is important to see:\u00a0<\/p>\n<ul>\n<li>Most of the CO<sub>2<\/sub> is generated in the Northern hemisphere, with <strong>three main focal points: the United States, Europe and China. <\/strong><\/li>\n<li>Gases disperse following the <strong>general atmospheric circulation<\/strong>; that is, the prevailing winds that follow meteorological patterns (Look how the low pressure areas that turn counter-clockwise in the Northern hemisphere and clockwise in the Southern hemisphere are highlighted).<\/li>\n<li>In spring and summer in the Northern hemisphere, plants absorb most of the CO<sub>2<\/sub> for photosynthesis. We can see this in the model as the red and purple colours (maximum concentration) vanish towards yellow and blue when the gas circulates from the end of May to September.<\/li>\n<li>\u00a0\u00a0 But as soon as autumn advances, when <strong>photosynthesis decreases<\/strong>, CO<sub>2<\/sub><strong> starts building up again<\/strong>.<\/li>\n<li>\u00a0\u00a0 Once a year has passed, half of the gas you see, is absorbed by plants and the bulk of the ocean. For this reason deforestation (one of the main causes of desertification) and the acidification of the ocean (which slows down its capacity to absorb CO<sub>2<\/sub>) are such a concern for scientists. <strong>The other half remains in the atmosphere contributing to the greenhouse effect <\/strong>that increases global temperatures.<\/li>\n<li>Carbon monoxide (grey scale) increases mainly in the austral winter months (from June to September). This is due mainly to the agricultural fires in Africa and South America, as this gas is produced by the incomplete burning of carbon, oil and wood. The industrialised countries also generate large quantities of CO, mainly originated by combustion engines. We can also see how these emissions are transported to other parts of the world. The average persistence time of CO in the atmosphere ranges from one to two months, most of the gas oxidises creating CO<sub>2<\/sub>, which contributes to the increase of its presence. Forest fires are great generators of CO.<\/li>\n<\/ul>\n<\/div><\/div>\n\n<div class=\"whads-insighttext-gblock\"><div class=\"whads-insighttext-gblock__heading__col\"><h2 class=\"whads-insighttext-gblock__heading\">What is our level of CO2?<\/h2><\/div><div class=\"whads-insighttext-gblock__text__col\"><p>The history of CO<sub>2<\/sub> in the atmosphere is represented in the following chart based on data from the U.S. NOAA (National Oceanic and Atmospheric Administration):<\/p>\n<\/div><\/div><div class=\"whads-insightimage-gblock\" data-image-type=\"small\"><img decoding=\"async\" width=\"589\" height=\"283\" src=\"https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/273597-2.png\" class=\"whads-insightimage-gblock__image\" alt=\"We Are Water image\" srcset=\"https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/273597-2.png 589w, https:\/\/www.wearewater.org\/wp-content\/uploads\/2016\/07\/273597-2-300x144.png 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><div class=\"whads-insightimage-gblock__caption\"><p><span lang=\"ES-TRAD\">\u00a9 Cris Barredo\/Latitud 42<\/span><\/p>\n<\/div><\/div>\n\n<div class=\"whads-insighttext-gblock\"><div class=\"whads-insighttext-gblock__heading__col\"><\/div><div class=\"whads-insighttext-gblock__text__col\"><p><em>Variation in time (in thousands of years) of the concentration of CO<sub>2<\/sub> in the air (in particles per million) based on the air bubbles analysed in the ice in Greenland, the Antarctica and the tropical glaciers. From 1950 onwards, the data come from direct measurements in the atmosphere. Source:\u00a0<strong>NOAA<\/strong> (National Oceanic and Atmospheric Administration<strong>)<\/strong> Graphic art: C. Barredo \/ Latitud 42 \/ We Are Water Foundation.<\/em><\/p>\n<p>This chart shows the estimated evolution of the concentration of CO<sub>2<\/sub> in the atmosphere. It starts 450,000 years ago and ends in 2015. We may note that:<\/p>\n<ul>\n<li>There are seven cycles of advances and setbacks. During glaciations, the levels of CO<sub>2<\/sub> were of around 200 ppm, and during the warmest interglacial period they reached around 280 ppm.<\/li>\n<li>From the Industrial Revolution onwards, at the beginning of the 19<sup>th<\/sup> century, the concentration of CO<sub>2<\/sub> experiences a drastic increase.<\/li>\n<li>Between\u00a02012 and\u00a02013 the concentration increased by 2.9 particles per million, <strong>the highest yearly increase in 30 years and, in 2014, 400 ppm were reached.<\/strong><\/li>\n<\/ul>\n<p>In order to find out more, you may watch the presentation made by <strong>Jean-Pascal van Ypersele<\/strong> vice president of <a href=\"http:\/\/www.ipcc.ch\/\">IPCC<\/a> (Intergovernmental Panel on Climate Change)\u00a0at the workshop\u00a0<em>Social Perceptions of Water and Climate<\/em>, organised by the We Are Water Foundation as part of the celebration of World Water Day 2015. (View the video and download the presentation)<\/p>\n<p>These figures are the ones that have established the goals of the Paris COP21: to reduce the emissions of CO<sub>2<\/sub> is essential to prevent the average temperature of the atmosphere to rise more than two degrees before the end of the century. The availability of water in the planet depends largely on this achievement, as global warming, caused by the greenhouse effect, increases droughts in the most vulnerable areas and torrential rains that erode the soil. This is already happening and it is supposed to continue with greater intensity in the future.<\/p>\n<\/div><\/div>\n\n<div class=\"whads-insighttext-gblock\"><div class=\"whads-insighttext-gblock__heading__col\"><h2 class=\"whads-insighttext-gblock__heading\">What can we do?<\/h2><\/div><div class=\"whads-insighttext-gblock__text__col\"><p>Although the nearly 200 government committed to the COP 21 agreements are the ones who will decide on the compliance of the goals, there is a lot each one of us can do.\u00a0<\/p>\n<p>First of all, to reduce any combustion process we provoke directly, such as the use of the car or the burning of wood; we also need to avoid any unnecessary electrical expenditure, which is likely to be high: lighting, domestic appliances, air conditioning and heating are responsible for a great part of the CO<sub>2<\/sub> columns you have seen in the video.\u00a0<\/p>\n<p>We also need to be aware that we need to fight deforestation. Each tree that is lost results in CO<sub>2<\/sub> that remains in the atmosphere. We all need to be aware of a perverse cycle: if temperature increases, so will do the transpiration of vegetation, with the resulting reduction of humidity in the soil; if we add less rain and more violent downpours to this, we obtain more erosion and deforestation, with the resulting reduction in the absorption of CO<sub>2<\/sub>.\u00a0<\/p>\n<p>In future articles we will revise more information that explains climate change and its relationship to the world of water.\u00a0<\/p>\n<\/div><\/div>","protected":false},"featured_media":15232,"template":"","categories":[],"class_list":["post-35809","waw_insight","type-waw_insight","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The reduction of CO2 emissions, a main global objective - We Are Water<\/title>\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.wearewater.org\/en-in\/insights\/the-reduction-of-co2-emissions-a-main-global-objective\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The reduction of CO2 emissions, a main global objective - 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