In certain jurisdictions, energy generation is a major source of carbon emissions, so switching to renewable energy sources like solar and wind will mean less greenhouse gas emissions. (lawyer-monthly.com)
The efforts to stabilize climate will be won or lost with coal, the world's largest source of carbon emissions. (insteading.com)
The number one source of carbon emissions as a result of human activity is transport that is based on fossil fuels: cars, trucks, trains and airplanes. (slideplayer.com)