• Forest disappearance hurts economy more than banking crisis, says study.

• Americans still driving less despite cheaper gas.

• Bailout bill includes tax break for bikers.

• Pollock declines could affect biggest North American fishery.

Grist thanks its sponsors. Become one.

• Papua being cleared for palm oil.

• Climate change sends tropical species uphill.

Grist thanks its sponsors. Become one.

Beijing will ban half its cars in times of heavy pollution.