As more solar farms arise in the sunny corners of the U.S., it’s inevitable that solar developers will have to play ball with environmentalists. First Solar and SunPower announced an agreement with the environmental groups to add thousands of acres near their projects for wildlife protection. As more solar farms arise in the sunny corners of the U.S., it’s inevitable that solar developers will have to play ball with environmental groups. First Solar and SunPower announced an agreement on Tuesday with the Sierra Club and others to add thousands of acres near their proposed projects for wildlife protection. The agreement...