Sixty years ago, Aldo Leopold changed the way everyone thought. He
said that nature was complicated and compared it to a watch that works well. At first it might seem like what you see is what's important.
But it's the way the watch parts that you donšt see work together that makes the whole watch work so well.
Another person who was very important, Rachel Carson, made people think about how anything we add to our environment, like pesticides, has an
They're both people who changed the world by changing the way we think. Both were passionate about their work. I tell my students that they
too can make a difference if they work hard and convince others with their passion and depth of knowledge.