The evacuation of 1,400 residents of Papua New Guinea’s Carteret Islands (the world’s first climate refugees, according to ...

U.S. President Donald Trump offered on Friday to mediate a dispute over Nile River waters between Egypt and Ethiopia.

President Donald Trump says he's ready to restart U.S. mediation between Egypt and Ethiopia over Nile River water sharing.

Scientists at the University of Illinois Urbana-Champaign can now differentiate between human-derived and hydrological ...