The Colorado River serves over 35 million Americans before reaching Mexico – but it is dammed at the border, leaving locals on the other side with a dry delta.
Seismometers can register hurricanes from thousands of miles away, or hear ice melting and refreezing, offering a new way to track changes big and small.
Mercury and cyanide contamination from industrial mining activities make the Atrato the most polluted river in Colombia and a clean-up operation promised back in 2016 has yet to materialize.
Wildfires raging in the Amazon rainforest are driving a spike in breathing problems and hospitalizations among children in Brazil, according to a new report.
An ancient approach to protecting nature is being revived in hopes of getting natural resources—and the people who depend on them—the protection they've always deserved.
Rampant and unsustainable extraction of groundwater reserves crucial for food production will "critically impact" rivers, lakes and wetlands in half of Earth's drainage basins by mid-century, researchers warned Wednesday.
Warming waters and a series of dams are making the grueling migration of the Chinook salmon even more deadly — and threatening dozens of other species.
Study finds decreasing lead in topsoil coincides with reductions in children's blood levels, which suggests playing around the dirt may be an important source of the toxic for children
