Divergence Point: December 12, 2000. SCOTUS rules 5-4 to allow Florida recount to proceed. Gore wins by 537 votes.
The Gore administration passes a Carbon Tax in 2002. Oil majors ($XOM, $CVX) crash while early solar and wind plays skyrocket. The US never invades Iraq in 2003, focusing military spending on "Energy Independence" via renewables.
Oil prices remain suppressed. The Middle East influence wanes earlier. Russia's economy struggles in the 2000s, potentially altering the trajectory of Putin's consolidation of power. The 2008 crisis still occurs but is driven by Green Tech speculation rather than housing.