NOVA PBS

Why Toba Matters

back | 6 of 7 | next

Meltwater iceflow

"Even five years ago, we wouldn't have believed a lot of this," Shindell says of scenes like this one showing dramatic melting of the Greenland ice cap. But today such scenes are all too common, a trend he admits is "rather alarming."


Mystery of the Megavolcano homepage | NOVA homepage

NOVAPBS