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This is Scientific American's 60-second science. I'm Christopher in Taliatta.

As all of you know, today we are keeping faith with the future.

I'm about to sign a proclamation that will establish the Grand Staircase Escalante National Monument.

More than 20 years ago, President Bill Clinton stood on the south rim of the Grand Canyon,

announcing his intention to set aside nearly two million acres of Utah land.

Land that his proclamation said was home to, quote,

many different vegetative communities and numerous types of endemic plants and their

pollinators. Just how many pollinators, though, was an open question at the time. So a handful of

intrepid entomologists set out, season after season, to observe and classify wild bee species

in every corner of the monument. And they got 660 of them. So 660 bees represents about half of the

species known in Utah and about one-fifth of the species known from the United States. So there's a

big proportion of the bees known from North America are found in the Grand Staircase National

Monument. Joseph Wilson, an entomologist at Utah State University, who was involved in the efforts.

But then he says, just as they were about to publish those big results,

his team got word the Trump administration was going to shrink the monument to half its size.

So they reanalyze their data in light of the new maps and found that the new monument left 84

of the 660 wild bee species outside its bounds.

...