Click below for information about tradable pollution permits

  Who Buys the Allowances?

The auction results are here, as are the winners.  As you'll see in 2003, I

bought a ton of SO2 myself.  You can too.

    All about Allowances from the EPA

This site explains what “Allowances” are, how they are allocated or obtained,

who can participate in allowance trading, and the system used for keeping

track of them.

   On the Origin of Trading Pollution Permits from the National Center for  Policy Analysis

About the beginnings (which might surprise you), the workings, and some of the accomplishments.