As we burn more non renewable fuels we continue heating the planet which contributes to changing weather patterns that in turn affect food production animal ecosystems and essential biodiversity within habitats. Generating electricity from low-carbon energy sources and cutting energy demand reduces the need for fossil fuel power generation decreasing emissions of harmful gases such as nitrogen oxides sulfur dioxide and carbon dioxide Dr. Contribution to Special Report Renewable Energy Sources SRREN SRREN 5 of 135 Chapter 9 Supporting the SD goal to mitigate environmental impacts. Overview of Unit 3 The Issue of Renewable Energy. Wwwiisdorggsisitesdefaultfilesffsindonesiareviewi1v1pdf.