Steven W. Running On Empty

Guest Post by Willis Eschenbach Let me start by getting the jargon out of the way. The “NPP” is the “net primary productivity”. It is how many total tonnes of new plant matter are produced around the globe each year as a result of photosynthesis. In a book excerpt in the February 2002 UnScientific American…

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Another meme bites the dust – jellyfish and global warming

WUWT readers may recall seeing news stories like this one: From the CSIC, Consejo Superior de Investigaciones Científicas , it seems like we are just noticing these things more. They find no “conclusive evidences” that point to global increase in jellyfish population. A research challenges the theories on the global increase in jellyfish population An…

3% of Earth’s landmass is now urbanized

This study, from 2005, is not one I’ve covered here before, but I thought it was relevant to have a look at as a logical followup to the recent announcement from NASA at AGU that satellites have identified strong UHI signatures in cities. The vast majority of the world’s surface weather stations used to monitor…