Domain: society (Health and Culinary)
Problem: I need to develop a meal plan for an environmentally conscious individual requiring strict blood sugar control. From all entries representing "Fruits" and "Vegetables" in the chart, please filter for foods with carbon dioxide emissions exceeding 0.15 kg that also fall within the "Highest" or "Medium" price ranges. Subsequently, retrieve authoritative nutritional data to determine which of these specific candidates has the lowest Glycemic Index (GI) when consumed raw.
Answer: Broccoli