In order to reconnect to the natural world today, Fritjof Capra suggests we need to embrace the same elements Leonardo outlined 500 years ago.

An iPad app from the Center for Ecoliteracy and Whole Kids Foundation offers a playful, visually rich way to help kids understand that soil is a living system full of fascinating relationships.

Thoughts on how overcoming the divide between nature and human activity requires a more in depth view of nature in the city.