The APEC Climate Center’s (APCC) has issued an “El Nino” watch, which means the drought-bearing weather could emerge in the upcoming seasons.

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s water largely receded 6,000 years ago. Could it return?

A study has found that salinity levels in parts of the southern Indian Ocean have declined by nearly 30% over the past 60 years.

Rainfall is often treated as a gift of geography — a function of latitude, oceans, and atmospheric circulation. A growing body of research suggests that in the tropics, it is also a product of ...