A few corrections to the video...(which looks like a short, modern version of Inconvenient Truth)
Hurricane, tornado, flood, and drought data all demonstrate declines in both frequency and severity since 1900.
California fires are not due to climate change. Southern California is a desert, it remains a desert. There's nothing new about the fires, except now they are often the result of arson, bad forest and water management, or bad electrical equipment.
According to climate scientists, water vapor accounts for about 85% of the greenhouse effect. CO2 is 3 to 5 percent.
There has been a change in albedo as large ice areas have melted since 1825. However, they are correct that it hasn't changed significantly in the past 20 years.
For the ice cores, in every case, temperature change leads the change in the CO2 concentration on the scale of hundreds of years, not the other way around (according to 9 peer-reviewed and published studies looking at the smaller time scales where those changes occur. You can see this in the data plotted to the screen in the video for some of the changes. The ice core data does indicate that its been more than 800 000 years since the CO2 concentration was higher than 300 ppm.
The part I liked best is talk about carbon sequestration and capture.
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A colleague just sent me this link to the new HHMI video on climate change, which was premiered/posted tonight. I liked the ice core segment.
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