A carbon tax can apply here as well. In fact, it's probably best to make produce...

eru on Jan 18, 2013 | parent | context | favorite | on: A Mysterious Patch Of Light Shows Up In The North ...

A carbon tax can apply here as well. In fact, it's probably best to make producers pay carbon tax where possible, since they will be simpler to tax (and the tax will be harder to evade for them).