Without participation of the United States, the world's largest emitter of greenhouse gases, mitigation of global climate change seems hardly conceivable. Despite the U.S. rejection of the Kyoto Protocol and the reluctance of the Bush administration to engage in Post-Kyoto negotiations, recent...

Open dumping of waste and discharging untreated wastewater into environment are key causes of environmental pollution in the developing world, including South Asian countries. Waste and wastewater however can be a source for recovering energy, nutrients and water if properly treated or recycled...