Legislative Victory for Milei as Congress Weakens Argentina’s National Glacier Protections

Argentina's lower house approved a reform to the National Glacier Law 137-111, weakening protections to boost mining projects under President Milei's RIGI scheme.

By: AXL Media

Published: Apr 9, 2026, 11:05 AM EDT

Source: Buenos Aires Times

The Breaking Development: Congressional Approval

After nearly 12 hours of heated deliberation, the lower house secured the passage of the "Ley de Glaciares" amendments, following previous approval by the Senate in February. The ruling La Libertad Avanza party successfully courted allied blocs, including PRO and the UCR, while even peeling away two rebel votes from the Peronist opposition. The legislative change marks a definitive shift in Argentina’s environmental policy, moving away from a central federal inventory toward a decentralized model that prioritizes regional economic development over blanket protections.

Background and Strategic Context: The Mining Imperative

President Milei’s administration views the country’s high-altitude mineral wealth as a cornerstone of national recovery. By weakening the Glacier Law, the government aims to facilitate massive projects under the RIGI investment incentive scheme. Argentina is already a top global producer of lithium, and the Central Bank estimates that mining exports could triple by 2030. From a strategic perspective, the administration is betting that the global demand for "green energy" minerals—specifically for batteries and electric vehicles—outweighs the immediate environmental risks associated with high-altitude extraction.

Key Players and Stakeholders: Government vs. Environmentalists

The reform has polarized the nation. President Milei lauded the vote as a victory for "environmental federalism," while governors of Andean provinces like San Juan and Salta expressed support for the newly granted autonomy over their resources. Conversely, environmental NGOs like Greenpeace Argentina and the Argentine Association of Environmental Lawyers have condemned the bill. They argue that the reform was "tailor-made" for transnational mining corporations and warn that it undermines the principle of non-regression in environmental law, potentially endangering the water supply for millions of citizens.