Wed, 09/27/2023 - 14:50 Gizmodo Environment Mammals are halfway through their era on this planet. We’ve existed about 250 million years since mammals evolved on earth and we only have another 250 million left before most of the world is no longer habitable.Read more... Tags land, pangaea, carbon dioxide in earths atmosphere, alexander farnsworth, Climate Change, mammal, Environment, nature, eunice lo, pangaea proxima Source The Future Supercontinent Will Be Way Too Hot for Mammals to Survive, Study Says