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?
A scholar who travels regularly to the US-Mexico border finds ecological links and a community on the other side that welcomes American visitors.
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.
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.