The News Feature 'Sucking it up' ( Nature 458, 1094–1097; 2009) incorrectly stated that Global Thermostat is waiting for venture-capital funding to build a prototype for the capture of CO2 from the air. It already has sufficient funding in place.
The News story 'Funding struggle for mercury monitoring' ( Nature 459, 620–621; 2009) erroneously located Changbai Mountain in Taiwan. It is in northeastern China.
In the News Feature 'Nascence man' ( Nature 459, 316–319; 2009), the picture of the Lost City on page 318 should have been credited to D. S. Kelley.