Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.

Map of at-risk watersheds in the US Western ... its secondary impacts to the water supply could affect thousands. These watersheds can carry harmful burn materials hundreds of miles downstream ...

Though unseen, groundwater is also an important source of the water supply. Aquifers ... This gorgeous map from Anna Riling of Four Corners Mapping shows the vast Navajo Aquifer in northeastern ...

Unsafe water alerts have been issued for areas near the Eaton and Palisades fires on Wednesday, Jan. 8 as the firefighting efforts have resulted in low water pressure and debris in the supply.

Theories about reasons for insufficient water supply have served as comforting fictions in recent days, obscuring the far scarier reality: California is facing a level of wildfire threat beyond ...