The show , which Gore co-created , describes itself as a global television network giving viewers the opportunity to create and influence its programming . NEW : Al Gore warns of `` planetary emergency , '' announces new ad campaign . Ex-President Clinton says Gore has warned of dangers for decades . Source : Gore wo n't use prize as springboard to enter 2008 presidential race . Comment:
NEW : Al Gore warns of `` planetary emergency , '' announces new ad campaign . Ex-President Clinton says Gore has warned of dangers for decades . Source : Gore wo n't use prize as springboard to enter 2008 presidential race . Comment: