Biofuels made from the leftovers of harvested corn plants are worse than gasoline for global warming in the short term, a study shows, challenging the Obama administration's conclusions. Research done in the Cayman Islands suggests that native predators can be trained to gobble up invasive lionfish that colonize regional reefs and voraciously prey on juvenile marine creatures. Greenhouse gas emissions in the United States dropped by 3.4% in 2012, federal environmental regulators say, with the decline driven by improvements in fuel efficiency and other changes. The U.N.'s expert panel on climate change is outlining the cuts in greenhouse gases, mainly CO2 from the burning of fossil fuels, required in coming decades to keep global warming in check. A fungal disease that has killed millions of North American bats is spreading and now has been detected in half of the United States, further evidence of the ailment's rapid expansion.
Top Cyberthreats Exposed by Verizon Report Beyond Heartbleed, there are cyberthreats vying to take down enterprise networks, corrupt smartphones, and wreak havoc on businesses. Verizon is exposing these threats in a new report.