Carbon Positive: Californians have voted strongly in favour of cap-and-trade on greenhouse-gas (GHG) emissions, rejecting a ballot initiative to suspend the introduction of state’s global warming bill, AB-32. In mid-term elections, the same voters also installed the Democrat candidate for the governorship, Jerry Brown, over Republican candidate Meg Whitman, whose platform had included delaying AB-32 by a year. Proposition 23 was a citizens’-initiated proposal that called for the scheme’s suspension until the unemployment…