#4 Harvesting energy from America's working lands is more sustainable than drilling or mining fossil fuels. Drilling and transporting oil has many landscape and land use impacts. Drilling sites are often in sensitive environmental areas, pipelines divide habitat and ecosystems, and tankers and storage facilities raise the risk of spills that pollute coastlines and groundwater. In contrast, growing biofuels can increase wildlife habitat and be done sustainably by using native plant, existing crops, and agricultural and forest waste. Additionally. ethanol is biodegradable , eliminating the danger of spills and storage.