Some local organizations have made the bet on solar. But there are challenges, such as a long line to connect to the grid and a lack of storage solutions for dark hours.
Penn announces two new vice provost positions focused on arts, climate change thedp.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thedp.com Daily Mail and Mail on Sunday newspapers.
University-led research project seeks to streamline air travel upenn.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from upenn.edu Daily Mail and Mail on Sunday newspapers.