As it turns out, Spaceship Earth is our only home; we need to take better care of it

Earth Day is this week. Here's a look at some challenges we face, especially here in Florida

Tomorrow, we celebrate Earth Day, the largest secular observance in the world, celebrated by more than a billion people, all to support the idea that our planet’s environment is worth protecting.

That would seem self-evident, since it is the only habitable planet in our Solar System, so it makes sense to take care of it.

You would think that we would be a…