Peru's Yanacocha mining company—that seeking to develop the controversial Conga project in Cajamarca region—is appealing a ruling of  the National Water Authority (ANA) barring expansion of its existing mine into new lands within its concession area. The lands, at a place called La Quinua Sur, lie within the headwaters of the Río Grande, which supplies water to the city of Cajamarca. Technically, the expansion, dubbed Yanacocha Oeste, was approved late last year by the Ministry of Energy and Mining (MINEM), but ANA denied approval to discharge effluent into local waterways that drain into the river. This effectively bars plans to develop a new open-pit mine at Quinua Sur. 

Some 500 members of the Munduruku indingenous group held a grand assembly Jan. 29 to Feb. 1 at the villahe of Jacareacanga, Pará state, in the Brazilian Amazon, where they denounced the Bacia Tapajós development project slated for their territory. The scheme calls for a complex of five hydroelectric dams on the Rio Tapajós, with the first slated for Teles Pires. Read the statement from the meeting: "We are not against the development of the country, but we will not accept having our lives destroyed in the name of a type of progress that will only benefit the great entrepreneurs who will be increasingly rich."

A judge in Guyana's high court ruled Jan. 17 that indigenous groups do not have the right to expel "legal" miners from their lands. The judge, Diana Insanally, found that if the miners in question held a government-approved license then the local community had no right to dispute the operations. The ruling has sparked protests by indigenous groups and is expected to be appealed. "We are deeply disappointed and worried with this ruling and what it means to our village and to Amerindian communities in general," read a press release from the indigenous community Isseneru. "[I]t has serious environmental and social impacts for us. The miners have, for example, brought with them problems related to drugs and prostitution."

Informal miners in Peru's southern Arequipa region declared an open-ended paro (civil strike) Feb. 6, briefly blocking the Pan-American Highway at various points before being cleared by the National Police. Hundreds of miners armed with sticks gathered at several villages along the highway, erecting barricades to press thier demands for "formalization" of their mineral claims and a system of social security including a pension plan. The largest protest was in Ocoña, Camaná province, where some 2,000 marched. The srtike is being coordinated by the National Confederation of Artisenal Miners of Peru (CONAMI). (Sin Patrones, Feb. 6)

Villages in the area to be impacted by the controversial Conga gold mine in Peru's Cajamarca region announced last week that they will hold a referendum on the project—with the support of the regional government but not Lima. The vote will be held in Celendin and Bambamarca provinces in July, said a statement from the Cajamarca Unitary Struggle Command (CUL). "A consultation will be held on the Minas Conga project in order to see what the population thinks," said the CUL's Marco Arana. The consultation is being organized by traditional village authorities, and seems not to have been endorsed by the provincial governments. The mayor of Huasmin district in Celendín, José Eriberto Marín Agusti, is backing the referendum.

Costa Rica's Constitutional Tribunal, a panel of the country's highest court, on Feb. 6 unanimously rejected a case brought by the country's Mining and Industry Association challenging the 2010 ban on open-pit mining. The Association argued that the ban on license renewal for existing open-pit mines is unconstitutional and applied in a discriminatory manner. The judges found that the prohibition on renewals violates no constitutional rights, and applies to all firms—not only foregn ones, as the Association argued. (OCMAL, Feb. 6)

The government of the western Argentine province of San Juan released a report the week of Jan. 28 finding that two controversial mines owned by the Toronto-based Barrick Gold Corporation have no "potential or actual environmental impact on glaciers or peri-glaciers in the areas" surrounding them. The Argentine branch of the environmental group Greenpeace had charged in July 2011 that Barrick's Pascua Lama and Veladero mines were damaging three small glaciers, in violation of a 2010 federal law meant to protect Andean glaciers. Barrick challenged the law, but the Argentine Supreme Court of Justice made a July 2012 ruling that left the law in effect for the time being.

Jan. 12 saw a new mobilization in the northern Peruvian city of Cajamarca against the pending Conga mining project, with some 1,000 local campesinos and their supporters filling the Plaza de Armas with music, banners and slogans. Participants accused the Yanacocha mining company of "intending to privatize" the region's water resources, and of being complicit in the "criminalization of protest." Residents of the community of Baños del Inca proclaimed their readiness to occupy La Shacsa, a nearby mountain within Yanacocha's active concession area, if the Conga project moves ahead. The march was convened by Wilfredo Saavedra, leader of the Cajamarca Environmental Defense Front. (Servindi, Jan. 15)