iers. They appear to represent sediment fillings of openings in stagnant ice.
Many kames probably formed when streams flowed off the tops of glaciers
onto the bare ground, dropping sediment into thick piles.
The Ice Age is still with us, only we are fortunate to live in a warmer
period between glaciations. Perhaps in another couple thousand years, massive
ice sheets will again be on the rampage, wiping out everything in their paths.
Rubble from demolished northern cities would be bulldozed hundreds of
miles to the south, gripped in the frozen jaws of the advancing ice. Global
temperatures would plummet as plants and animals, including humans, scram-
ble for the warmth of the tropics.
QUATERNARY GLACIATION