Inter Press Service: Environmentalists and some lawmakers are decrying a surprise move by conservative members of Congress to roll back landmark "clean energy" policies guiding U.S. investments in overseas power projects. Two federal agencies have new guidance in place largely barring government investment in power-generation projects that fail to adequately cut carbon emissions. The rules, by the Export-Import Bank and the Overseas Private Investment Corporation (OPIC), which facilitate U.S. private investments into...