PYRAMID SHAPED MOUNTAINS AROUND THE WORLD

Maybe, just maybe, a long time ago existed
Advanced Civilization that was wiped out by some event (global war or some natural even, such as polar shift, which caused Ice Age) and the only thing that remained were the Pyramids, which might served them as Energy harvesting facilities (ancient Power Plants) and potentially something more (Star Makers).

There are indications that the pyramids existed in Antarctica too (possibly the largest ones are located there). Maybe they don't want so called "Global Warming" because it might reveal what's really hidden under the Ice.