{"id":6378,"date":"2015-12-04T15:52:46","date_gmt":"2015-12-04T14:52:46","guid":{"rendered":"http:\/\/www.theoillamp.co.uk\/?p=6378"},"modified":"2015-12-04T15:52:46","modified_gmt":"2015-12-04T14:52:46","slug":"one-thing-learnt-week-cities-green-pledges","status":"publish","type":"post","link":"https:\/\/www.theoillamp.co.uk\/?p=6378","title":{"rendered":"One thing we have learnt this week -cities green pledges"},"content":{"rendered":"

\"954838_204501379701698_1765426126_n\"<\/a>As the climate change talks in Paris continue a number of cities have made green pledges.\u00a0 Amongst those in the UK making green pledges include Edinburgh, Manchester, Newcastle, Liverpool, Leeds, Nottingham<\/a> and Glasgow.\u00a0\u00a0 They claim that by 2050 (why is it always 2050?) they will be 100% renewable powered.\u00a0 Other cities around the world have made similar green pledges (Copenhagen, New York, Sydney, Malm\u00f6 and Munich for example).<\/p>\n

The question is what do these pledges mean in practice?\u00a0 If you think about your town or city there is far more than electricity.\u00a0 There is transport, heat, “stuff” and of course food.\u00a0 All these would have to go renewable in my view for these green pledges to mean anything.\u00a0 Electricity will be a challenge in of itself.\u00a0 Does it mean the equivalent of 100% of electricity will be generated locally?\u00a0 Largely by solar panels in the day.\u00a0 Does it mean this energy will be stored and used overnight?\u00a0 Or does it mean the electricity will be exported at certain times of day and then imported the rest of the time reaching an equivalence?\u00a0 Details are few and far between.<\/p>\n

Its perfectly possible to see most transport being by bike or electric vehicles\/trains within a city, but what happens with visitors when they visit in a fossil fuel vehicle (if they still exist).\u00a0 Are they included in the total?\u00a0 The biggest challenge is food which should be included in my view.\u00a0 Its not going to be possible to grow all a cities food within its environs.\u00a0 The best we can hope for is for a sizeable contribution, even given some of the innovative ways people have found that have been covered by this blog to grow food in cities.<\/p>\n

The biggest problem we found in our book<\/a> was regarding green heat.\u00a0 On the news this morning the Parisians have been showing off water source heat pumps.\u00a0 Whilst these may achieve the COP values (no pun intended) the technology is very disruptive to retrofit.<\/p>\n

I strongly support these green pledges made by cities, but I think we need to be honest and accept that we can only get part way on many of them.\u00a0 Nevertheless unless you aim high you will never achieve anything.<\/p>\n

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

As the climate change talks in Paris continue a number of cities have made green pledges.\u00a0 Amongst those in the UK making green pledges include Edinburgh, Manchester, Newcastle, Liverpool, Leeds, Nottingham and Glasgow.\u00a0\u00a0 They claim that by 2050 (why is … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[5,17,4],"tags":[269,61,63],"class_list":["post-6378","post","type-post","status-publish","format-standard","hentry","category-climate-change","category-one-thing-we-have-learnt-this-week","category-renewables","tag-climate-change","tag-renewable-energy","tag-renewables-2"],"yoast_head":"\nOne thing we have learnt this week -cities green pledges - The oil lamp - shining God's light on peak oil<\/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.theoillamp.co.uk\/?p=6378\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.theoillamp.co.uk\/?p=6378\",\"url\":\"https:\/\/www.theoillamp.co.uk\/?p=6378\",\"name\":\"One thing we have learnt this week -cities green pledges - 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