We’re borrowing money from China to buy oil from the Persian Gulf to burn it in ways that destroy the planet. Every bit of that’s got to change.

Al Gore

The indefatigable Al has thrown out a bold challenge to America, to source 100 per cent of its electrical power from renewable (non-carbon) sources within 10 years.

This will embolden – and challenge – those who still believe that the U.S. is an admirable world leader.