Heart And Flowers

Once a year, on April 22, Earth has its day--a time for us to learn more about what ails the planet. Meet the teachers who help us see the challenges, and a new generation that's responding

PETER RAVEN The World Is His Garden: Better Tread Carefully

It is interesting to contemplate a tangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent upon each other in so complex a manner, have all been produced by laws acting around us. --Charles Darwin, The Origin of Species

Think of it!" says Peter Raven, the director of the Missouri Botanical Garden, as he stands beside a table...

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