Record heat and low rainfall are drying up water sources shared by the American Southwest and northern Mexico.
The bodies of Salvadoran migrant Oscar Alberto Martínez Ramírez and his daughter lie on the bank of the Rio Grande in Matamoros, Mexico.
AP Photo/Julia Le Duc
A photo of a drowned father and his 23-month-old daughter at the US-Mexico border has prompted horror and outrage on social media. Can it spur aid for migrants?
Lucia Orosco holding her daughter, Arely, in Boquillas. Much of the embroidery created here reads ‘no el muro’ (no wall).
Matthew Moran
A scholar who travels regularly to the US-Mexico border finds ecological links and a community on the other side that welcomes American visitors.
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.
Aude
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.
In Big Bend National Park’s Santa Elena Canyon, the Rio Grande separates the United States (left) from Mexico (right).
Ken Lund
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.