by Lisa Song

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It was meant to be a routine discussion on pollution. One by one, delegates at the United Nations expressed support for a new panel of scientists who would advise countries on how to address chemicals and toxic waste.

But the U.S. delegate took the meeting in a new direction. She spent her allotted three minutes reminding the world that the United States now had a “national position” on a single word in the documents establishing the panel: gender.

“Use of the term ‘gender’ replaces the biological category of sex with an ever-shifting concept of self-assessed gender identity and is demeaning and unfair, especially to women and girls,” the delegate told the U.N. in June.

The Trump administration is pushing its anti-trans agenda on a global stage, repeatedly objecting to the word “gender” in international resolutions and documents. During at least six speeches before the U.N., U.S. delegates have denounced so-called “gender ideology” or reinforced the administration’s support for language that “recognizes women are biologically female and men are biologically male.”

The delegates included federal civil service employees and the associate director of Project 2025, the conservative blueprint for Trump’s policies, who now works for the State Department. They delivered these statements during U.N. forums on topics as varied as women’s rights, science and technology, global health, toxic pollution and chemical waste. Even a resolution meant to reaffirm cooperation between the U.N. and the Association of Southeast Asian Nations became an opportunity to bring up the issue.

Insisting that everyone’s gender is determined biologically at birth leaves no room for the existence of transgender, nonbinary and intersex people, who face discrimination and violence around the world. Intersex people have variations in chromosomes, hormone levels or anatomy that differ from what’s considered typical for male and female bodies. A federal report published in January just before President Donald Trump took office, estimated there are more than 5 million intersex Americans.

On at least two occasions, U.S. delegates urged the U.N. to adopt its language on men and women, though it’s unclear if the U.S.’ position has led to any policy changes at the U.N. But the effects of the country’s objections are more than symbolic, said Kristopher Velasco, a sociology professor at Princeton University who studies how international institutions and nongovernmental organizations have worked to expand or curtail LGBTQ rights.

U.N. documents can influence countries’ policies over time and set an international standard for human rights, which advocates can cite as they campaign for less discriminatory policies, Velasco said. The phrase “gender ideology” has emerged as a “catchall term” for far-right anxieties about declining fertility rates and a decrease in “traditional” heterosexual families, he said.

At the U.N., the administration has promoted other aspects of its domestic agenda. For example, U.S. delegates have demanded the removal of references to tackling climate change and voted against an International Day of Hope because the text contained references to diversity, equity and inclusion. (The two-page document encouraged a “more inclusive, equitable and balanced approach to economic growth” and welcomed “respect for diversity.”)

But the........

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