Why Can’t We Accept Donations via PayPal?

In Outreach by Rob Monroe

Several readers have asked why Keeling Curve cannot set up a mechanism to receive donations via PayPal. The short answer is that to do so would violate University of California policy.  The UC Office of the President has found that PayPal’s security procedures do not comply with UC standards. For the latest on support efforts for the Keeling Curve, see this …

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How are CO2 Data Processed?

In Measurement Notes by Rob Monroe

Scientists make CO2 measurements in remote locations to obtain air that is representative of a large volume of Earth’s atmosphere and relatively free from local influences that could skew readings.