400 PPM CO2 Milestone
What the world needs to watch!
400 Parts in a Million: The World’s Biggest Experiment
This episode was made possible by the generous support of Science Alert.
4.6 Billion Years of Earth’s Climate History: The Role of CO2
Richard Alley presents on 4.6 Billion Years of Earth’s Climate History: The Role of CO2.
36C3 Climate Talks
Chaos Computer Congress
3.5 mil years ago, summer temps were ~8°C warmer than today, CO2 was ~400 ppm
Two recent studies on past temperatures.
2013 was the second-hottest year without an El Niño since before 1850
Over the past decade, we've seen less warming at the surface and more warming in the oceans. This has been in large part due to a change in Pacific Ocean cycles.
2013 was hottest year on record in Australia
Average temperatures were 1.20 degrees Celsius above the long-term average of 21.8C, breaking the previous record set in 2005 by 0.17C.
2013 Is the Fourth Hottest Year on Record
2013 is the fourth hottest year since records started being kept in 1880. It ties with 2003 for that dubious honor.
1997 and 2015 El Niño Sea Surface Temperature Anomalies (Video)
A brief comparison of changes in sea surface temperature (SST) anomalies between the major El Niño event of 1997-98 and the El Niño event emerging in 2015.