
Project
Photo: Andrés Ángel / AIDASupporting Cajamarca’s fight to defend its territory from mining
Cajamarca is a town in the mountains of central Colombia, often referred to as "Colombia’s pantry” due to its great agricultural production. In addition to fertile lands, fed by rivers and 161 freshwater springs, the municipality features panoramic views of gorges and cloud forests. The main economic activities of its population—agriculture and tourism—depend on the health of these natural environments.
The fertile lands of Cajamarca are also rich in minerals, for which AngloGold Ashanti has descended on the region. The international mining conglomerate seeks to develop one of the world’s largest open-pit gold mines in the area. Open-pit mining is particularly damaging to the environment as extracting the metal involves razing green areas and generating huge amounts of potentially toxic waste
The project, appropriately named La Colosa, would be the second largest of its kind in Latin America and the first open-pit gold mine in Colombia. The toxic elements that an operation of that magnitude would leave behind could contaminate the soil, air, rivers and groundwater.
In addition, storms, earthquakes, or simple design errors could easily cause the dams storing the toxic mining waste to rupture. The collapse of similar tailings dams in Peru and Brazil in recent years has caused catastrophic social and environmental consequences.
On March 26, 2017, in a popular referendum, 98 percent of the voters of Cajamarca said “No” to mining in their territory, effectively rejecting the La Colosa project. AIDA is proud to have contributed to that initiative. But even with this promising citizen-led victory, much work remains.

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The role of critical minerals in the energy transition: policy implications at the local, national, regional and global level
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COP29: Climate target disappoints and invites us to look elsewhere for hope
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Global stocktaking and gender issuesNo significant progress was made on the results of last year's Global Stocktaking on the implementation of the Paris Agreement, particularly on the transition away from fossil fuels. The issue was deferred to COP30, which will be held next year in the Brazilian city of Belém do Pará.While there has also been insufficient progress on gender issues, some progress should be recognized, such as the extension of the Lima Work Program to 10 years, which lays the groundwork for the development of a Gender Action Plan and provides an opportunity to further deepen the integration of gender into climate action, particularly as countries develop updates to their Nationally Determined Contributions (NDCs).In addition, the text of the NCQG recognizes women as beneficiaries of funds but fails to ensure that the specific circumstances and intersectional discrimination that many women face are addressed. 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The ABCs of "critical" or transition minerals and their role in energy production
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What are "rare" earth elements and why are they so called?The "rare" earth elements are the 16 chemical elements of the lanthanoid or lanthanide group, plus Ithrium (Y), whose chemical behavior is virtually the same as that of the lanthanoids.They are Scandium, Ithrium, Lanthanum, Cerium, Praseodymium, Neodymium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Tullium, Iterbium and Lutetium.They are so called because when they were discovered in the 18th and 19th centuries, they were less well known than other elements considered similar, such as calcium. But the name is now outdated.Nor does the term "rare" refer to their abundance, because although they are not usually concentrated in deposits that can be exploited (so their mines are few), even the less abundant elements in this group are much more common than gold. What are "critical" or transition minerals used for? What technologies are based on them?The uses of transition minerals in the technological development of renewable energy sources are diverse:Solar technologies: bauxite, cadmium, tin, germanium, gallium, indium, selenium, silicon, tellurium, zinc.Electrical installations: copper.Wind energy: bauxite, copper, chromium, manganese, molybdenum, rare earths, zinc.Energy storage: bauxite, cobalt, copper, graphite, lithium, manganese, molybdenum, nickel, rare earths, titanium.Batteries: cobalt, graphite, lithium, manganese, nickel, rare earths. In addition, they are used in a variety of modern technologies, for example in the manufacture of displays, cell phones, computer hard drives and LED lights, among others. Where are "critical" or transition minerals found?The geography of transition minerals is broad, ranging from China to Canada, from the United States to Australia. But their extraction has been concentrated in countries of the global south.Several Latin American countries are among the top producers of various transition minerals. These materials are found in complex areas rich in biological and cultural diversity, such as the Amazon and the Andean wetlands.Argentina: lithiumBrazil: aluminum, bauxite, lithium, manganese, rare earths, titaniumBolivia: lithiumChile: copper, lithium, molybdenumColombia: nickelMexico: copper, tin, molybdenum, zincPeru: tin, molybdenum, zinc How do "critical" or transition minerals support the energy transition and decarbonization?Transition minerals are seen as indispensable links in the energy transition to decarbonization, i.e. the shift away from fossil energy sources.But the global interest in these materials also raises questions about the benefits and challenges of mining transition minerals.The issue has become so relevant that last September, the United Nations Panel on Critical Minerals for Energy Transition issued a set of recommendations and principles to ensure equitable, fair and sustainable management of these minerals.In addition, as a result of the intensification and expansion of their extraction in countries of the region, the issue was brought before the Inter-American Commission on Human Rights for the first time on November 15.In a public hearing, representatives of communities and organizations from Argentina, Bolivia, Chile and Colombia, as well as regional organizations, presented information and testimonies on the environmental and social impacts of transition mineral mining.Given the current energy transition process, it is necessary to know where the resources that will enable the technologies to achieve this transition will come from.The extraction and use of transition minerals must avoid imposing disproportionate environmental and social costs on local communities and ecosystems. *Mayela Sánchez is a digital community specialist at AIDA; David Cañas and Javier Oviedo are scientific advisors.Sources consulted:-Olivera, B., Tornel, C., Azamar, A., Minerales críticos para la transición energética. Conflictos y alternativas hacia una transformación socioecológica, Heinrich Böll Foundation Mexico City/Engenera/UAM-Unidad Xochimilco.-Science History Institute Museum & Library, “History and Future of Rare Earth Elements”.-FIMA NGO, Narratives on the extraction of critical minerals for the energy transition: Critiques from environmental and territorial justice.-Haxel, Hedrick & Orris, “Rare Earth-Elements. Critical Resources for High Technology,” 2005.-USGS 2014, “The Rare-Earth elements. Vital to modern technology and lifestyle”, 2014.-Final Report for the Inter-American Commission on Human Rights (IACHR) Thematic Hearing: Minerals for Energy Transition and its Impact on Human Rights in the Americas, 2024.
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