PBS America (Freeview) Thursday

Maiya May learns about the severe impacts of droughts and floods on agriculture and the alarming depletion of groundwater reserves

Archaeologists conduct a dig at Auckland Castle in Co Durham, which 700 years ago was home to a group of power-crazed bishops who behaved more like warriors than religious leaders

Following a palaeontologist who embarks on an adventure to see how the walrus, one of the most enigmatic and social animals in the Arctic, is coping in a warming world

A look at the most well-preserved battlefield in the world - a living testament to one of the US Marines' most bitter and eye-opening fights in the Second World War

American bombing pounds the Japanese home islands and, in August 1945, atomic bombs fall on Hiroshima and Nagasaki

Archaeologists conduct a dig at Auckland Castle in Co Durham, which 700 years ago was home to a group of power-crazed bishops who behaved more like warriors than religious leaders

Following a palaeontologist who embarks on an adventure to see how the walrus, one of the most enigmatic and social animals in the Arctic, is coping in a warming world

A look at the most well-preserved battlefield in the world - a living testament to one of the US Marines' most bitter and eye-opening fights in the Second World War

American bombing pounds the Japanese home islands and, in August 1945, atomic bombs fall on Hiroshima and Nagasaki

Following a palaeontologist who embarks on an adventure to see how the walrus, one of the most enigmatic and social animals in the Arctic, is coping in a warming world

Maiya May learns about the severe impacts of droughts and floods on agriculture and the alarming depletion of groundwater reserves