Save Article Instructions  Global warming melts separation of
power in US  Bob Tippee  Can anyone guess which branch of the US
government produced the following paragraph?   Glosses make this
statement typical of arguments for urgent responses to global
warming. The paragraph thus might seem to belong to some
political document, most probably issuing from Congress or,
perhaps, an agency of the Executive Branch.  But no, the
Judicial Branch served up the delicacy. It appears atop the
Supreme Court's Apr. 2 opinion that CO2 should be subject to
regulation as a pollutant under the Clean Air Act.  Supreme
Court justices are busy people. Their spacious minds brim with
legal knowledge and arguments about the many complex cases
awaiting their decisions. To them, it probably seems unimportant
that observed warming hasn't always coincided with the
Industrial Age's CO2 build-up, that temperature averages in fact
fell for many years while the gas concentration rose.  The
justices also might consider it inconsequential t