Each year, on Earth Day, people want to know: How, and where, can I have an impact?

The answer, according to nationally renowned entomologist and University of Delaware professor Doug Tallamy, is simple. The power is in their hands and they can do their part to conserve and boost the foodchain in their own yards and gardens.

  • He has long contended that the widespread planting of ornamental plants, native to other parts of the world, is creating ecosystem-wide problems.
  • In his New York Times best-seller, "Bringing Nature Home: How You Can Sustain Wildlife with Native Plants," he provides a guide for home gardeners to follow.
  • His new book, "The Nature of Oaks," focuses on the importance of the mighty species and offers tips and advice for planting and caring for them.