Careful What You Wish For

Forests are a good thing, right? And reversing deforestation is a smart approach to climate change – locking all that carbon back up in trees, right? A new paper out of Lawrence Livermore throws an odd monkey wrench into the conventional wisdom, using model simulations to conclude that grassland cools while forest warms: We find …

Continue reading ‘Careful What You Wish For’ »

Did the Maya Cause Their Own Droughts?

Interesting work presented at AGU by a University of Alabama/NASA/etc. group suggesting the the possibility that Mayan deforestation may have brought on the drought conditions that some blame for the collapse of classic Maya culture. I have thought that the Maya might make a good case study for a society done in by drought, expanding …

Continue reading ‘Did the Maya Cause Their Own Droughts?’ »

No Taco Bells?

John Keller, in the comments below, notes that he lives in what by my measure is clearly not a world-class city: No Taco Bells here, but 5 in the equivalent Zip code. The place? Paris, France. Guess we’re not world-class yet… Though I hope we’re never as “world-class” as NYC by this metric.

Climate, Land Use and Spatial Variability

Johannes J. Feddema and colleagues have a paper in Science today(Feddema et al. 2005) on the importance of land use in climate change. (And the suddenly ubiquitous Roger Pielke Sr. has an accompanying Perspective piece(Pielke Sr. 2005), and Roger also blogs it here.) What Feddema and company did was run a global climate model with …

Continue reading ‘Climate, Land Use and Spatial Variability’ »