| Maybe volcanoes covered the land in lava, poisoned the air, and brought on an ice age. |
| The lowering of montane vegetation belts in New Guinea during the last ice age was broadly synchronous with that of South America and Africa. |
| The soil that underlies much of Dublin was deposited during the last ice age, about 10,000 years ago. |
| It is believed that a minor perturbation in solar heating caused by orbital changes could lead to another ice age or warming period. |
| If it were to slow significantly or stop, Europe could very quickly plummet into a little ice age. |
| Previous data have shown that, in the ice age, glacial ice built to quite high elevations in the mountains just inland from the Ross Ice Shelf. |
