# US Supreme Court Allows Trump Border Wall Work in National Park

> US Supreme Court approves Trump's border wall construction in Big Bend National Park after federal judge blocks project.
- Title: US Supreme Court Allows Trump Border Wall Work in National…
- Summary: US Supreme Court approves Trump's border wall construction in Big Bend National Park after federal judge blocks project.
- Keywords: us supreme court, big bend national park, trump border wall, environmental groups, federal judge, border security, legal exemptions, texas, méxico, border wall construction, CNN Brasil
- Source: CNN Brasil — https://cnnbrasil.com.br/internacional/suprema-corte-dos-eua-autoriza-obras-para-muro-de-trump-em-parque-nacional
- Author: Andrew Chung
- Published: 2026-11-09T21:17:45+00:00
- Read time: 1 min
- Topics: us supreme court, big bend national park, trump border wall, environmental groups, federal judge, border security, legal exemptions, texas, méxico, border wall construction, news
## US Supreme Court approves border wall construction
US Supreme Court authorized Trump administration to proceed with border wall construction in remote western Texas region including Big Bend National Park.

> Alto índice de entradas ilegais
## Emergency request to override federal court ruling
Court responded to emergency request from government to overturn federal judge's suspension of wall construction during ongoing legal challenge.
## Environmental groups oppose wall expansion
Local authorities, environmental defenders, and some Texas Republicans opposed government's plan to extend border infrastructure into Big Bend National Park.
## Legal exemptions for construction
Government granted legal exemptions from federal department to speed up road and barrier construction in Big Bend region while bypassing environmental laws.
## Security justification for wall
US Secretary of Homeland Security Markwayne Mullin and former Kristi Noem called Big Bend an 'area of high illegal entry' to justify border barriers.

> Área de alto índice de entradas ilegais
## Environmental concerns
Opponents argue Big Bend is ecologically and culturally significant, requiring compliance with multiple federal laws before landscape changes.
## Supreme Court's legal doctrine
Court used 'important questions' doctrine to block executive actions that lack congressional authorization, previously used against Biden and Trump tariffs.
## Judge blocks project
Federal judge Kathleen Cardone blocked project, stating exemptions lacked congressional authorization and violated 'important questions' doctrine.

> Portanto, se o Setor de Big Bend é considerado uma área de alta incidência de entradas ilegais, então todos os outros setores também o seriam
## Key takeaway

US Supreme Court cleared Trump administration to build border wall sections in Big Bend National Park, despite environmental and legal challenges.