• Why CDC responded with “lack of urgency” to formaldehyde warnings.
• 500,000 gallons of oil spilled from Hurricane Ike.
• Democratic Republic of Congo cancels two-thirds of logging contracts.
• Expert says 99 percent of Alaska’s glaciers are in decline.
• Michigan governor signs renewables legislation.
• Algae fuels the green revolution.
• Ted Turner announces first-ever sustainable tourism criteria.