The bullish case for renewable energy stocks arguably comes down to one central theme: rising relevance.For years, scientists and former Vice President Al Gore have been warning Americans and the global community about climate change. Recently, the narrative has picked up steam as the data becomes all the more undeniable. So, that’s one key reason why renewable energy stocks have picked up interest – it’s good for all of us.Another factor that bolsters the bullish case for the green sector is geopolitics. W ...