John Leach learned that his great-great grandfather served in the Civil War and was buried without a gravestone, so he did ...

Treatment technologies are key to clean water but can be energy intensive and miss opportunities to recover resources. Technologies and approaches that are more efficient and promote water and ...

There’s some evidence that the migration fueled the civil war there, in which 80,000 people have died. “You had a lot of angry, unemployed men helping to trigger a revolution,” says Aaron ...

Sri Lanka’s government has scored a string of wins in its long-standing civil war with Tamil militants. But it faces the challenge of integrating its Tamil minority. Sri Lanka has been mired in ...