"Keeping the invasive Asian carp out of the Great Lakes will involve re-reversing the flow of the Chicago River -- an engineering marvel completed a century ago through a complex network of rivers, canals, and locks, a new study said on Tuesday."

"Across southern Florida, rabbits, raccoons, bobcats and foxes have been disappearing at dramatic rates over the past decade, and invasive Burmese pythons are to blame, a US study said Monday."

"Throughout North Dakota, little yellow flowers dot thousands of miles of roadsides. These canola plants, found along most major trucking routes, look harmless. But they are fueling a controversy: They prove that large numbers of genetically modified plants have escaped from farm fields and are now growing wild. About 80 percent of canola growing along roadsides in North Dakota contains genes that have been modified to make the plants resistant to common weed-killers."

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"The United States said on Friday it was appealing a World Trade Organization ruling against U.S. dolphin-safe labeling measures for tuna in a longrunning spat with Mexico closely watched by environmentalists."

"For the past 30 years, botanist Nicholas Money has studied the microorganisms that most people associate with bad smells, itchy toes, damp basements and rotten food. A renowned fungal researcher at Miami University in Ohio, Money has devoted his career to studying indoor molds, fungal movements and the mysterious world of mycology."

"Since falling to a low of 100 in 1999, the Catalina Island fox has rebounded to a number — 1,542 — above its previous level, thanks to conservationists' efforts."

"A review suggests that the Amazon rainforest may be changing, courtesy of human impacts on the region's weather."

"Federal researchers say an infectious and lethal cold-loving fungus sweeping through parts of North America and Canada has killed millions more bats over the last five years than previously estimated.

The rapidly spreading fungus responsible for white-nose syndrome is now believed to have killed 5.7 million to 6.7 million bats, a count several times higher than earlier estimates, across 16 states as far west as Oklahoma.