This article seeks to address some lingering debates within sustainability studies by revealing the connections between renewable energy consumption and sustainability. Using data from 30 OECD countries, the article examines the connections via regression and geospatial analysis. Findings from the quantitative analysis indicate that about 50% of the variation in sustainability is accounted for by the degree of renewables consumption. The geo-spatial analysis visually illustrates the intimate connections between the two variables. Theoretically, renewable en-ergy relates to sustainability in three dimensions. The first dimension is economic. Relying on traditional fossil fuels eventually will bring our economy to a stop. Renewable energies, however, are able to secure our energy supply into an indefinite future. The second dimension links to ethics. To leave an intact planet to future generations is a moral responsibility of our generation. The current energy supply system is built on depletion of natural resources, while the sources of renewable energy are vast and constantly replenished. The last dimension is ecologic. How to allocate a proper apportionment of the global biosphere between humankind and the other life on the earth is a critical issue related to sustainability. By using renewable energy, we can greatly reduce our impact on biodiversity and therefore strike a balance between humankind and other life. Overall the research suggests that developing renewables can and in many cases does sustain a nation’s economic growth while simultaneously protecting the environment. It is a win-win situation. This finding undoubtedly points out a practical and realistic path for sustainable development.