Dip in atmospheric CO2 200million years ago helped dinosaurs migrate from South America to Greenland
Sauropod dinosaurs emerged in South America some 230 million years ago, but despite living during the supercontinent Pangea it took them 15 million years to reach Greenland – when it should have taken 20 years. A team from Colombia University suggests a ‘climatic phenomenon’ may have allowed the enormous creatures to finally make the journey. … Read more
