On Our Radar: Is Styrofoam Doomed in New York? Mayor Michael R. Bloomberg says he will push in his final year in office for more recycling and electric vehicles, a curbside food-composting program and a ban on Styrofoam food packaging. Plastic foam, he says, is "something that we know is environmentally destructive and that may be hazardous to our health, that is costing taxpayers money and that we can easily do without, and is something that should go the way of lead paint." A federal judge in Denver rules that the federal Bureau of Land Management must reveal the names of companies or individuals nominating public land for oil and gas drilling. The ruling, which overturns 18 years of policy, involves a lawsuit filed after the bureau refused to disclose the identities of the entities that nominated 30,000 acres of public lands in Colorado's North Fork Valley for oil and gas development. Environmental groups plan a major rally on Sunday in Washington to urge President Obama to take strong action on climate change. The first step, they argue, should be vetoing construction of the Keystone XL pipeline. Sierra Club Wild perch living in water that scientists dosed with a human anti-anxiety drug became more aggressive, took more risks and shunned other fish, new research shows. While the implications are far from clear, the study highlights the potential ecological effects of even trace amounts of psychiatric pharmaceuticals that are excreted in human urine and survive wastewater treatment. The Eastside Trail, part of an ambitious proposal to transform old railroad tracks in Atlanta into a park loop known as the Beltline, is open and drawing cyclists and joggers. But some wonder whether the city will ever raise the money to complete the 22-mile loop -- and ask whether the idea is wrongheaded to begin with.