AGRICULTURE: Reactive nitrogen: The next big pollution problem
ANTARCTIC MELTING: Antarctic melt releasing DDT, tainting penguins
BIOFUELS: Minnesota passes law that will require B20 by 2015, Brazilian ethanol industry schmoozes the EU, Chief U.S. representative for Brazilian Sugar Cane Industry Association discusses biofuels
CARBON SEQUESTERING: Growing and then burying trees to stop carbon buildup
CLIMATE CHANGE: Earth impacts linked to human-caused climate change
CONSUMPTION: Consumers cut driving but not diets: poll
CULL: Kangaroo cull begins in Australia: animal welfare group
ENDANGERED SPECIES ACT: Oil companies prepare for Endangered Species Act legal action
EVOLUTION: Evolution goes wild in once-polluted lake
HYBRID TECHNOLOGY: Higher gas prices are sending more customers looking for Toyota’s most fuel-efficient vehicle
INVASIVE SPECIES: Monster carnivorous mice overrun British-owned Gough Island
NANOTECHNOLOGY: Nanotubes may pose cancer risk, but researchers have more to learn about real-world risks of human exposure
NUCLEAR POWER: Nuclear plant shut over explosives
OIL: $12-15-a-gallon gas, Shortage fears push oil futures near $140, Oil prices pass $133 after report of supply drop, High gas prices drive farmer to switch to mules, House passes bill to sue OPEC over oil prices, Oil settles above $129 for first time
POLLUTION: San Francisco becomes first in nation to charge ‘pollution fee’
REDISCOVERED SPECIES: Rare beetle is found in fenland
WILDLIFE: Wildlife populations ‘plummeting’, Shorebirds “defy gravity” to eat, study says
WIND POWER: Flying wind-turbines for max power
