We’ve all heard of the big three environmentally-friendly power sources: solar, wind and hydro. But scientists and innovators across the world are putting no limitations on their imaginations when it comes to novel renewables. From the alcoholic spirit powering the Scottish economy to partying power in Holland, it would appear that invention knows no end.
According to a report from the United Nations, investments in renewables totalled $286 billion in 2015. Apart from hydroelectric plants, 10.3 percent of all electricity generated worldwide came from renewables, about double the amount recorded in 2007. It looks like everyone is in it together. Here are a few unusual but imaginative solutions making the headlines.