Context: we analyze economic changes in Colombian municipalities between 1993 and 2020.
We need to download ArcGis, a geographic information system (GIS) for working with maps and geographic information maintained by the Environmental Systems Research Institute (Esri). It is used for creating and using maps, compiling geographic data, analyzing mapped information, sharing and discovering geographic information, using maps and geographic information in a range of applications, and managing geographic information in a database. Particularly important for the purpose of this post is ArcMap, one of the applications, which is primarily used to view, edit, create, and analyze geospatial data. In the absence of license for this software, you can use free software such as GVSig.
Context: we analyze economic changes in Colombian municipalities between 1993 and 2020.
In this post, we focus on how to download our “raw data”, i.e. the nighttime light data for Colombia.
Step 1: Download nighttime light series from NOAA National Centers for Environmental Information (NCEI). Particularly Version 4 DMSP-OLS Nighttime Lights Time Series (DMSP) – The DMSP annual composite data contain average radiance values of cloud-free coverages, reflecting the persistent lights from cities, villages, and roads, with a spatial resolution of about 900m, and a temporal coverage of 1992 to 2013 – and VIIRS data which is available from 2013 on and with is a finer spatial resolution of 450m approximately. We will later do a post on the particularities of VIIRS, here we focus on DMSP.
NOAA provide images covering the whole world which can be difficult to manage in terms of size. For that reason, we will only upload the images corresponding to our study are, i.e. Colombia. To do that, make sure you have uploaded first the map of the study are, here Colombia (see previous post)
I would also add, strategies that are rational at local level can lead to unintended consequences at national or international level, thereby creating territorial based solidarity and inequality problems. Well, I am right now thinking in my abstract for the nex midterm conference of the European Sociological Association research network “energy and society”:
Since the oil crisis and continuing until the mid-eighties, many projects to exploit natural resources on a large scale were carried out in the United States and Europe. Due to the demographic and economic boom, the phenomenon became known as energy boomtown, having received the attention of many sociologists up to date, but mainly from the American environmental sociologist William Freudenburg. His legacy is now essential to understand the social impact of large scale energy projects, but also suggests how regional factors play a crucial role in the configuration of energy national strategies. By mean a case study, this paper aims to test and further develop the William Freudenburg theory on the addictive character of the economies that someday harboured a large scale energy project, that is, boomtowns. After having performed seventeen semi-structure interviews, the discourse analysis reveals the existence of both political and trade union forces that struggle to keep the old power plant opened while hoping to live a new boom effect by attracting new large scale projects. The formers know about the electoral benefits and the latter would have more difficult its action in a more dispersed labor market. Results suggest that the implementation of energy transition national strategies is also subjected to the influence power of certain local and regional forces on the central government.
Both solidarity and inequality problems are solved as far as there exist concessions from individuals by mean the creation of norms, a important dimension of social capital.
A new project maps environmental protest across the world, powerfully visualising a growing movement
These struggles have sometimes toppled governments, such as the coup in Madagascar in 2008 that brought “land-grabbing” to global attention when Daewoo was given a lease to grow food and biofuels for export on half the country’s land. But most of the time, the evictions, forced relocations and the violent repression of those impacted by contamination from gold mines, oil extraction, plantations and agribusinessoperations are rarely covered in the press. Ecological violence inflicted upon the poor is often not news but simply considered to be part of the costs of “business as usual”.
While statistics on strike action have been collected since the late 19th century for many countries and now globally by the International Labour Organisation, there is no one body that tracks the occurrence and frequency of mobilisations and protests related to the environment. It was this need to better understand and to track such contentious activity that motivated the Atlas of Environmental Justice project, an online interactive map that catalogues localised stories of resistance against damaging projects: from toxic waste sites to oil refining operations to areas of deforestation.
EJatlas aims to make ecological conflicts more visible and to highlight the structural impacts of economic activities on the most vulnerable populations. It serves as a reference for scientists, journalists, teachers and a virtual space for information, networking and knowledge sharing among activists, communities and concerned citizens.
At the moment the atlas documents 1,400 conflicts, with the ability to filter across over 100 fields describing the actors, the forms of mobilisation from blockades to referendums, impacts and outcomes. It resembles in many ways a medieval world map – while some regions have been mapped, others remain “blank spots” still to be filled. While much work remains to be done, the work so far offers several insights into the nature and shape of environmental resistance today.
Secondly, it shows how the globalisation of the economy and material and financial flows is being followed by the globalisation of resistance. Mobilisations are increasingly interlinked across locations: anti-incineration activists make alliances with waste-picker movements to argue how through recycling they “cool down the earth”. Foil Vedanta, a group of activists fighting a bauxite mine on a sacred mountain in India, follow the company’s supply chain to Zambia, where they reveal Vedanta is evading tax and spark street protests there. Trans-nationally, new points of convergence unite movements working on issues from food sovereignty to land-grabbing, biofuels and climate justice.
The evidence shows that “corporate social responsibility” is not a panacea and that until corporate accountability can be enforced, successful “cost-shifting” will remain a defining feature of doing business.
The danger such movements represent to powerful vested interests is attested to by the intensity of the violence and backlash wielded to repress them, with over 30% of cases shown on the map entailing arrests, killings, abuses and other forms of repression against activists. It is not an exaggeration in many countries to speak of a veritable “war against environmental defenders”.
Furthermore the number of violent conflicts is set to increase because the world’s remaining natural capital currently lies on or beneath lands occupied by indigenous and subsistence peoples. Communities who have nothing left to lose are willing to use increasingly contentious tactics to defend their way of life.
Beyond stories of disaster and degradation, the struggles documented in the atlas highlight how impacted communities are not helpless victims. These are not only defensive and reactionary battles but proactive struggles for common land, for energy and food sovereignty, for Buen Vivir, indigenous ways of life and for justice. The environment is increasingly a conduit for frustrations over the shape of capitalist development. Tracking these spaces of ecological resistance through the Environmental Justice Atlas highlights both the urgency and the potential of these movements to trigger broader transcendental movements that can confront asymmetrical power relations and move towards truly sustainable economic systems.
The up-to-date version of the atlas will be presented at the closing meeting of the Ejolt project in Brussels today where the project brings attention to the increasing persecution of environmental defenders and calls on European Union policymakers and parliamentarians to integrate environmental justice concerns into their policy agenda and move towards reducing the current atmosphere of impunity for environmental crimes.
The “Spatial Agent” Mobile App has been developed to take advantage of new capabilities to visualize this growing range of spatial and temporal development-related data on mobile platforms. The App demonstrates a simple but extremely powerful approach to visualize a range of public-domain spatial datasets through interactive maps and charts to allow for data visualization at different scales and ranges. The approach literally puts the globe in the users hands and allows one to access a burgeoning group of public-domain multi-sectoral datasets (including at global, regional, and national levels) being developed for use by various development-related institutions and governments across the world. So whether you are interested in water resources or climate change, disaster management or general development, this is a must-have App for you! The simplicity of use and wealth of information is sure to appeal to you – whether you are a student, development professional, or a Minister! Read more