Earth’s ancient climate warns that we need to take urgent action, study suggests

Scientists looked into Earth’s ancient history and found that it would take serious action in reducing fossil fuel emissions to prevent our climate from reaching prehistoric warming levels. 

An international team of researchers has peered into the past to piece together the most complete history to date of carbon dioxide (CO2) levels on Earth over the last 66 million years in a new study. With this work, they aimed to bolster our understanding of the link between CO2 and climate, show how things have really changed since the time when dinosaurs last walked planet Earth and look to Earth’s future as climate change continues to threaten our planets and its inhabitants. 

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