An environment that is always warm and sunny would be beneficial because this type of weather generally makes people happy. In addition, there would be no inconvenience or damage caused by storms, such as hurricanes or blizzards. Which is the best topic sentence for this paragraph? Warm and sunny weather would be a necessary part of my utopia. To no longer have to deal with certain weather conditions would reduce stress. It is clear that a tropical setting would make my utopia a paradise.