February 13, 2026
The U.S. government is opposing the Sierra Club's attempt to enforce a settlement pact concerning borderlands barriers as they fight over the first Trump administration's diversion of federal funds for border wall construction versus environmentalists' claims that the wall impedes wildlife passage.
September 16, 2025
The Trump administration told a California federal court Monday that forcing it to honor a settlement agreement between the Sierra Club and the Biden administration to use $50 million in border security funds on environmental projects would place the government between two conflicting court orders.
September 05, 2025
The Sierra Club and a nonprofit ally asked a California federal judge to order the Trump administration to preserve at least $50 million of border wall construction funds to pay for environmental projects required by a settlement struck with the Biden administration.
July 17, 2023
The Biden administration will conduct a widespread cleanup to repair environmental damage from construction of the Trump-era southern border wall to resolve a quartet of lawsuits over the controversial policy dating back to the previous administration.
January 21, 2021
Now that President Joe Biden has flexed his executive power to halt construction on the wall along the southern border, a California federal judge wants to know how that affects a legal fight over the Trump administration's decision to divert billions in military funds for the project.
March 03, 2020
A California federal judge has approved a bid by the Sierra Club and the Southern Border Communities Coalition to relate two lawsuits over the Trump administration's diversion of billions of already earmarked military funds to build a southern border wall.
February 28, 2020
The Sierra Club and the Southern Border Communities Coalition on Friday asked a California federal judge to consider relating two suits over the Trump administration's diversion of billions of already-earmarked military funds to build a southern border wall.
February 06, 2020
The Sierra Club voluntarily dropped claims over $601 million in Treasury funds that were diverted for U.S.-Mexico border wall projects, but can raise the claims again in the future, according to documents filed Thursday in California federal court.
December 11, 2019
A California federal judge on Wednesday blocked the Trump administration from using $3.6 billion in military construction funds to build a wall along the U.S.-Mexico border, but gave the government time to appeal before the order goes into effect.
October 23, 2019
A Native American tribe whose reservation lies on the Mexican border urged a California federal judge Tuesday to prevent federal funds from being transferred for President Donald Trump's planned border wall, saying the move would make it more costly for the tribe to police its lands.