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Strategies & Market Trends : 2026 TeoTwawKi ... 2032 Darkest Interregnum -- Ignore unavailable to you. Want to Upgrade?

To: yard_man who wrote (22155)	9/9/2007 9:03:10 AM
From: Moominoid	Read Replies (2) \| Respond to of 218185

Particulates from volcanoes and pollution (and forest fires) are a huge part of the story too. The mid 20th century (1950s-1980s) had high levels of both particulary in the northern hemisphere leading to cooling during that period (climate skeptics like to cite this period as showing that global warming is false, but it's easy to show they are wrong). In the 1990s and early 21st century the level of particulates has gone down and temperatures increased more rapidly as a result. The system is pretty stable and tends to return to equilibrium if we don't massively continue to force it away from equilibrium. However, we don't know if there is some threshold out there beyond which return to equilibrium gets much harder. Climate change policy should be seen as precautionary.