CarbonTracker is a tool for modelling sources and sinks of carbon dioxide. Users can download the code, carbon dioxide data, and the tool's carbon flux estimates to conduct their own analyses or to help improve the system.

Climate change is a global phenomenon, affecting weather events around the world.

ENSO model forecasts thumbnail

The model predictions during 2014 were not that shabby.  A major, strong El Niño was not well justified by the predictions. 

After some very cold weather this month, folks are likely wondering if the early chill is a harbinger of things to come this winter. "Not necessarily," explains Mike Halpert of NOAA's Climate Prediction Center in this week's ENSO blog post.

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