El Salvador's San Sebastian river has no fish. The runoff from a gold mine upstream, already shuttered two decades ago, has ...

But it also offers the adventure seeker many exhilarating activities: hiking, zip lines, and white water rafting - all in pristine jungles, rivers, and oceans. Today, Central America is divided into ...

It is well known that microplastics are collecting in the world's oceans at an alarming rate, but research on the cancer-linked pollutant in rivers remains limited.