Green Certification and Ecolabeling To differentiate your product or service as environmentally sound, you may want to obtain certification from an independent, third-party so that you can include their logo or "ecolabel" on your product's label and other marketing materials. Ecolabeling is important way to market your product to green consumers.
A Green Certificate - terminology predominantly used in Europe but now becoming more widespread globally - are a tradable commodity proving that certain electricity is generated using renewable energy sources. Typically one certificate represents generation of 1 Megawatthour of electricity. What is defined as "renewable" varies from certificate trading scheme to trading scheme.
Usually, at least the following sources are considered as renewable: