President Donald Trump announced Tuesday a significant reduction in the size of two Utah national monuments, Bears Ears and Grand Staircase-Escalante. The move, which shrinks the protected areas by more than 2 million acres combined, is expected to face immediate legal challenges from Native American tribes and environmental organizations.

The decision targets vast swathes of land previously designated for preservation, with Bears Ears being reduced by approximately 85% and Grand Staircase-Escalante by about half. This action marks one of the most substantial changes to national monument protections in decades and fulfills a long-standing request from Utah's Republican congressional delegation and state officials who argued the original designations were an overreach of federal authority.

During an announcement at the Utah State Capitol, President Trump stated that the existing monument boundaries were "too big" and "take away your land." He asserted that the reductions would allow for "energy production" and "economic development" on the lands, while also aiming to return management of some areas to local and tribal governments. The president signed proclamations to enact these changes, which will take effect immediately.

Conservationists and tribal leaders have condemned the decision, arguing that it undermines the Antiquities Act of 1906, the law used by presidents to establish national monuments. They contend that these lands hold immense cultural, historical, and ecological value that deserves federal protection. The legal battles are anticipated to center on whether a president has the authority to significantly alter or revoke monument designations made by previous administrations.

Native American tribes, including the Navajo Nation, Hopi, Zuni, Ute, and Ute Mountain Ute tribes, have long claimed ancestral ties to the Bears Ears area. They had advocated for its designation as a national monument to protect sacred sites, archaeological resources, and traditional cultural practices. Environmental groups have highlighted the biodiversity and unique geological features of both monuments, which are home to numerous endangered species and significant paleontological finds.

Skeptics of the monument designations, including many local residents and industry groups, have argued that federal control over vast tracts of land has historically hindered resource extraction, grazing, and recreational activities. They have expressed hope that the revised boundaries will open up more opportunities for economic growth in the region.

The legal challenges are expected to be filed in federal court, likely in Utah, and could take years to resolve. The outcome of these lawsuits could set a significant precedent for the future of national monument protections across the United States, potentially impacting other sites designated under the Antiquities Act.

This move by the Trump administration is part of a broader effort to reconsider and, in some cases, shrink federal land protections. The administration has previously moved to open up more federal lands and waters to oil and gas drilling and other resource development.