Los Angeles Daily News: ASK any 3-year-old and she will tell you: ducks float; chickens don’t. For some of the world’s poorest people, particularly in places highly prone to flooding like Bangladesh, raising ducks rather than chickens is a better choice against rising waters caused by an ever-warming planet. For the 1 billion people in the developing world who survive on a dollar a day or less, climate change adds to their long list of challenges. Families who live off the land and livestock face erratic …