Hashtags at the ready.
The power of the mainstream media to put pressure US government policy should not be underrated.
Children wait at a private charity after being released by Customs and Border Protection.
AP Photo/Eric Gay
United's CEO called the Trump policy 'in deep conflict' with his company's values, the latest example of a corporate leader speaking out on a political issue, something almost unheard of a few decades ago.
The United Nations has called a new Trump administration policy of separating migrant families and detaining children ‘abuse.’
Trump hopes migrants won't come if they know their children will be taken away. That grim logic ignores the inescapable dangers that drive thousands of Central Americans to flee their homes each year.
Mexico has been doing the U.S.‘s 'dirty work’ on immigration for too long, says the front-runner in the country’s July 1 presidential election.
AP Photo/Eduardo Verdugo
Trump's anti-immigrant policies are leading more Central Americans to stay put in Mexico. Mexico's presidential candidates have a lot to say about that, and none of it involves mass deportations.
Detainees sleep in a holding cell at a processing facility in Brownsville, Texas.
AP Photo/Eric Gay
Interviews with hundreds of unaccompanied minors in Los Angeles reveal that relationships with US sponsors can be complicated.
Members of a caravan of migrants from Central America.
Some 200 Central Americans who fled violence at home want to apply for asylum in the US. Trump says they're 'not welcome.' Here, key info on the 'caravan' to the US-Mexico border.
US-Mexico border fence that separates Tijuana, Mexico, from San Diego, Calif.
AP Photo/Rodrigo Abd
A scholar documented the risks a migrant faced after deportation, including his becoming involved in smuggling people across the border.
Even pocket parks in cities (Duane Park in Lower Manhattan, pictured here) can shelter wildlife. Read below for ideas about urban biodiversity and other green innovations.
Trump administration rollbacks dominated news about the environment in 2017 – but beyond Washington D.C., many researchers are developing innovative visions for a greener future.
Undocumented migrants are among those helping to rebuild the hardest-hit areas of Oaxaca state, where federal aid has been slow to trickle down.
Presidencia de la República Mexicana CC-by-2.0
A brigade of migrants from Honduras, El Salvador, Nicaragua and Guatemala have interrupted their trek north to stay in Mexico and support earthquake recovery efforts.
Is Donald Trump hoping to trade dreams for bricks?
From south of the border, Trump seems to be using DACA as a diplomatic weapon in his ongoing power struggle with the Mexican government. That just hurts 800,000 people and helps President Peña Nieto.
In Big Bend National Park’s Santa Elena Canyon, the Rio Grande separates the United States (left) from Mexico (right).
Instead of building a wall on the US-Mexico border, a landscape architect calls for restoring the Rio Grande and turning its course into an international park – an idea first proposed in the 1930s.
Activist art makes clear that the border dynamic is a lot more complex than Trumps's 'them/us' rhetoric.
A mariachi band performs during a protest against U.S. President Donald Trump’s proposed border wall, in Monterrey, Mexico.
Can the U.S. recover its once positive image among Mexicans? Trade, immigration and cultural ties stand to suffer.
A U.S. Customs and Border Protection officer hands documents to a woman entering the U.S. from Mexico.
Brad Doherty/AP Photo
President Trump wants to renegotiate or eliminate NAFTA because of its impact on U.S. trade, but the accord is also a cornerstone of continental cooperation on security issues as well.
US Attorney General Jeff Sessions speaks to law enforcement officers in St. Louis.
Trump's administration plans to ramp up prosecution of unauthorized border crossings. Here's the story of how it became illegal in the first place.
A Salvadoran family who fled to the U.S. when armed men killed the father.
AP Photo/LM Otero
Despite Trump’s rhetoric, Mexicans are no longer crossing the border in massive numbers. Data show a new group of migrants is arriving, and for very different reasons.
Border Patrol officers detaining immigrants in a field after a few local raids.
U.S. Border Patrol Museum
In 1954, US Border Patrol's Operation Wetback promised to deport millions of undocumented Mexicans. It fell far short of its target, but made a mark in the minds of immigrants who lived in fear.
Canadian Prime Minister Justin Trudeau is greeted by U.S. President Donald Trump.
Can Canada manage to keep up trade while also meeting US expectations for a safe border?
Jesus Blasco De Avellaneda/Reuters
What do border walls cost? And do they work?
We should be building wildlife bridges on the US-Mexico border – not walls.