Birdwatch Note Rating
2023-10-23 13:08:00 UTC - HELPFUL
Rated by Participant: FA4A6273999C6B7EA9A9D361332A8404027E02B95E92152D0C39C08F1BCC1448
Participant Details
Original Note:
https://www.imperial.ac.uk/grantham/publications/briefing-papers/what-ancient-climates-tell-us-about-high-carbon-dioxide-concentrations-in-earths-atmosphere.php#:~:text=The%20concentration%20of%20CO2%20was,little)%20ice%20on%20the%20planet. Your link refers to greenhouses. "CO2 was last at over 1000ppm around 50 million years ago, when the average temperature was about 13°C warmer and sea level would have been around 70m higher than today"
All Note Details