This week is Carnival of the Green #178 and it's being hosted Go Green Travel Green, a website that focuses on simple steps to make your travel greener. From green hotels and public transportation to local food and eco-tours, Go Green Travel Green is chock full with eco travel tips, reviews, and news. So head on over to this week's Carnival, which includes a round up of green news and events from the past week, submitted by other bloggers and green sites. And if you're an eco-conscious traveler, go ahead ...