By 2050, it's estimated that over 65% of the world will be living in cities. We may think of nature as being unconnected to our urban spaces, but trees have always been an essential part of successful cities. Humanity has been uncovering...

Howcast - Water conservation makes good economic and environmental sense. Here are some ways to save water in your garden.

Howcast - Buying supplies for a square foot garden is not much different than buying them for a conventional garden, but there are some exceptions.

Interested in learning about passive irrigation systems and how they compare to common surface watering done with a watering can? Test it out for yourself with our new science