Leaked maps revealed proposals to shrink boundaries at Bears Ears national park from 1.3 million acres to 201,000 acres while Grand Staircase Escalante will be slashed by half to just under one million acres.
Mr Trump will travel to Salt Lake City to make the announcement at a rally on Monday. "They don't know your land". Previous presidents have reduced the size of national monuments more than a dozen times.
The move will likely trigger lawsuits from activists and environmental groups, who see this move as an attempt to give public land to private corporations. He cited the 1906 Antiquities Act, which past Presidents have used to designate National Monuments, to scale back instead.
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There are now more than 125 designated national monuments, encompassing everything from a coral reef in the Caribbean to an African burial ground in New York State to a barrier island off the coast of Alaska. Trump is the first president to shrink a monumentin decades.
"Trump's unprecedented, illegal action is a brutal blow to our public lands, an affront to Native Americans and a disgrace to the presidency", said Randi Spivak, the public lands program director at the nonprofit Center for Biological Diversity.
Ten arrested in Malta journalist murder investigation
The island nation has a reputation as a tax haven in the European Union and has attracted companies and money from outside Europe. Her murder raised concern within the European Union about the rule of law in Malta.
The White House is infested with vermin and rodents
White House officials made hundreds of requests for repairs, equipment and pest control in 2017, the paperwork reveals. Over the past two years, several mice sightings, cockroach infestations, and ant colonies have been reported.
Texas A&M to announce Jimbo Fisher as new football coach
Fisher said "all the ingredients (for success) are here" and mentioned Texas A&M's recruiting base, facilities and local support. He's now the 29th head football coach in Aggie history....filling big boots of past legends like Bear Bryant and R.C.
2017's one and only supermoon soars over Washington
The moon gained the title supermoon because it was not only full, but also passing Earth at about its closest point in its orbit. At 3.47pm - the exact moment of full moon - it was 222,761 miles from Earth, closer than the average distance of 238,900 miles.