Visited my son Greg in Mystic CT. today to have lunch. He is the leader of a company that is replanting forests in Costa Rica to capture carbon dioxide. It opened my eyes to how successful it has been. Not only does it work,,but it also gives the farmers an important source of income. Look up Reforest the Tropics and you can see a very interesting video. I'm a proud father and grandfather of 5 children and eight grandchildren.