{"id":38773,"date":"2022-04-28T13:33:23","date_gmt":"2022-04-28T08:03:23","guid":{"rendered":"https:\/\/tradebrains.in\/features\/climate-change-net-zero-technology\/"},"modified":"2022-04-28T13:33:23","modified_gmt":"2022-04-28T08:03:23","slug":"climate-change-net-zero-technology","status":"publish","type":"post","link":"https:\/\/tradebrains.in\/features\/climate-change-net-zero-technology\/","title":{"rendered":"Net zero by 2050 will hit a major timing problem technology can\u2019t solve. We need to talk about cutting consumption"},"content":{"rendered":"<div class=\"trade-content_2\" style=\"margin-left: auto;margin-right: auto;text-align: center;\" id=\"trade-1214805124\"><p><a href=\"https:\/\/tradebrains.in\/get\/telegram\/\"><img decoding=\"async\" class=\"alignnone wp-image-101992\" src=\"https:\/\/tradebrains.in\/features\/wp-content\/uploads\/2023\/01\/telegram-channel-300x119.png\" alt=\"\" width=\"148\" height=\"59\" \/><\/a> <a href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMN3Epgswxc--Aw?hl=en-IN&amp;gl=IN&amp;ceid=IN%3Aen\"><img decoding=\"async\" class=\"alignnone wp-image-123430\" src=\"https:\/\/tradebrains.in\/features\/wp-content\/uploads\/2024\/05\/follow-on-google-news-300x82.png\" alt=\"follow-on-google-news\" width=\"222\" height=\"61\" srcset=\"https:\/\/tradebrains.in\/features\/wp-content\/uploads\/2024\/05\/follow-on-google-news-300x82.png 300w, https:\/\/tradebrains.in\/features\/wp-content\/uploads\/2024\/05\/follow-on-google-news-150x41.png 150w, https:\/\/tradebrains.in\/features\/wp-content\/uploads\/2024\/05\/follow-on-google-news.png 468w\" sizes=\"(max-width: 222px) 100vw, 222px\" \/><\/a><\/p>\n<\/div><p> Kensington (Australia), Apr 28 (The Conversation) Many climate activists, scientists, engineers and politicians are trying to reassure us the climate crisis can be solved rapidly without any changes to lifestyle, society or the economy.<\/p><div class=\"trade-content_7\" style=\"margin-left: auto;margin-right: auto;text-align: center;\" id=\"trade-1591768772\"><!-- Composite Start --> \r\n <div id=\"M923760ScriptRootC1549812\"> \r\n <\/div> \r\n <script src=\"https:\/\/jsc.mgid.com\/t\/r\/tradebrains.in.1549812.js\" async> \r\n <\/script> \r\n <!-- Composite End --><\/div>\n<p> To make the vast scale of change palatable, advocates suggest all we have to do is switch fossil fuels for renewable power, electric vehicles and energy efficiency technologies, add seaweed to livestock feed to cut methane and embrace green hydrogen for heavy industries such as steel-making.<\/p>\n<p> There\u2019s just one problem: time. We\u2019re on a very tight timeline to halve emissions within eight years and hit net zero by 2050.<\/p>\n<p> While renewables are making major inroads, the world\u2019s overall primary energy use keeps rising. That means renewables are chasing a retreating target.<\/p><div class=\"trade-content_5\" id=\"trade-1648231883\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-4023722985638610\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- in_content_2_news -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-4023722985638610\"\r\n     data-ad-slot=\"7925020301\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<p> My new research shows if the world\u2019s energy consumption grows at the pre-COVID rate, technological change alone will not be enough to halve global CO\u2082 emissions by 2030.<\/p>\n<p> We will have to cut energy consumption 50-75 per cent by 2050 while accelerating the renewable build. And that means lifestyle change driven by social policies.<\/p>\n<p>  \t The limitations of technological change \t  \t We must confront a hard fact: In the year 2000, fossil fuels supplied 80 per cent of the world\u2019s total primary energy consumption. In 2019, they provided 81 per cent.<\/p>\n<p> How is that possible, you ask, given the soaring growth rate of renewable electricity over that time period? \t Because world energy consumption has been growing rapidly, apart from a temporary pause in 2020. So far, most of the growth has been supplied by fossil fuels, especially for transportation and non-electrical heating.<\/p>\n<p> The 135 per cent growth in renewable electricity over that time frame seems huge, but it started from a small base. That\u2019s why it couldn\u2019t catch fossil fuelled electricity\u2019s smaller percentage increase from a large base.<\/p>\n<p> As a renewable energy researcher, I have no doubt technological change is at the point where we can now affordably deploy it to get to net zero.<\/p><div class=\"trade-content-10\" id=\"trade-893423831\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-4023722985638610\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- in_content_3_news -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-4023722985638610\"\r\n     data-ad-slot=\"2969612066\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<p> But the transition is not going to be fast enough on its own. If we don\u2019t hit our climate goals, it\u2019s likely our planet will cross a climate tipping point and begin an irreversible descent into more heatwaves, droughts, floods and sea-level rise.<\/p>\n<p> Our to-do list for a liveable climate is simple: convert essentially all transportation and heating to electricity while switching all electricity production to renewables. But to complete this within three decades is not simple.<\/p>\n<p> Even at much higher rates of renewable growth, we will not be able to replace all fossil fuels by 2050.<\/p>\n<p> This is not the fault of renewable energy. Other low-carbon energy sources like nuclear would take much longer to build, and leave us even further behind.<\/p>\n<p> Do we have other tools we can use to buy time? \t CO\u2082 capture is getting a great deal of attention, but it seems unlikely to make a significant contribution. The scenarios I explored in my research assume removing CO\u2082 from the atmosphere by carbon capture and storage or direct air capture does not occur on a large scale, because these technologies are speculative, risky and very expensive.<\/p>\n<p> The only scenarios in which we succeed in replacing fossil fuels in time require something quite different.<\/p>\n<p> We can keep global warming under 2 degrees celsius if we slash global energy consumption by 50 per cent to 75 per cent by 2050 as well as greatly accelerating the transition to 100 per cent renewables.<\/p>\n<p>  \t Individual behaviour change is useful, but insufficient \t  \t Let\u2019s be clear: individual behaviour change has some potential for mitigation, but it\u2019s limited.<\/p>\n<p> The International Energy Agency recognises net zero by 2050 will require behavioural changes as well as technological changes. But the examples it gives are modest, such as washing clothes in cold water, drying them on clotheslines, and reducing speed limits on roads.<\/p>\n<p> The 2022 Intergovernmental Panel on Climate Change report on climate mitigation has taken a step further, acknowledging the importance of collectively reducing energy consumption with a chapter on \u201cDemand, services and social aspects of mitigation\u201d. To do this effectively, government policies are needed.\t  \t Rich people and rich countries are responsible for far and away the most greenhouse gas emissions. It follows that we have to reduce consumption in high-income countries while improving human well-being.<\/p>\n<p>  \t We\u2019ll need policies leading to large scale consumption changes \t  \t We all know the technologies in our climate change toolbox to tackle climate change: renewables, electrification, green hydrogen.<\/p>\n<p> But while these will help drive a rapid transition to clean energy, they are not designed to cut consumption.<\/p>\n<p> These policies would actually cut consumption, while also smoothing the social transition: \t a carbon tax and additional environmental taxes \t wealth and inheritance taxes \t a shorter working week to share the work around \t a job guarantee at the basic wage for all adults who want to work and who can\u2019t find a job in the formal economy \t non-coercive policies to end population growth, especially in high income countries \t boosting government spending on poverty reduction, green infrastructure and public services as part of a shift to Universal Basic Services.<\/p>\n<p>  \t You might look at this list and think it\u2019s impossible. But just remember the federal government funded the economic response to the pandemic by creating money. We could fund these policies the same way.<\/p>\n<p> As long as spending is within the productive capacity of the nation, there is no risk of driving inflation.<\/p>\n<p> Yes, these policies mean major change. But major disruptive change in the form of climate change is happening regardless. Let\u2019s try to shape our civilisation to be resilient in the face of change. (The Conversation)  PY PY<\/p>\n<div class=\"trade-after-content\" id=\"trade-2215515808\"><div id=\"taboola-below-article-thumbnails\"><\/div>\r\n<script type=\"text\/javascript\">\r\n  window._taboola = window._taboola || [];\r\n  _taboola.push({\r\n    mode: 'alternating-thumbnails-a',\r\n    container: 'taboola-below-article-thumbnails',\r\n    placement: 'Below Article Thumbnails',\r\n    target_type: 'mix'\r\n  });\r\n<\/script>\r\n<script type=\"text\/javascript\">\r\n  window._taboola = window._taboola || [];\r\n  _taboola.push({flush: true});\r\n<\/script><\/div>","protected":false},"excerpt":{"rendered":"<p>Kensington (Australia), Apr 28 (The Conversation) Many climate activists, scientists, engineers and politicians are trying to reassure us the climate crisis can be solved rapidly without any changes to lifestyle, society or the economy. To make the vast scale of change palatable, advocates suggest all we have to do is switch fossil fuels for renewable [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1697,31],"tags":[],"class_list":["post-38773","post","type-post","status-publish","format-standard","hentry","category-economy","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Net zero by 2050 will hit a major timing problem technology can\u2019t solve. 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