On Our Radar: A Big Solar Storm January 25, 2012, 11:50 am The solar storm of the last few days was the largest since 2003, the National Oceanic and Atmospheric Administration says. Some aircraft flying over the North Pole were rerouted in anticipation of potential communication problems linked to proton radiation. Discovery News The closing of a huge landfill on the edge of Mexico City that used to receive nearly all of the city's garbage has left local officials struggling to control illegal dumping. Conservationists have embarked on a 1,000-mile expedition to highlight the need to preserve a crucial ecological corridor stretching from the southern tip of Florida Everglades National Park to Georgia. National Geographic From sustainable fisheries to eco-tourism, improved management of ocean and coastal ecosystems would yield big economic dividends, the United Nations Environment Program says in a new report. Eco-Business