Weekly round-up
- What’s college for if not pranking the administration with bat guano?
- “Biomechanical trebuchets.” (via: New York Botanical Garden’s Tumblr)
- 4 leading botanical gardens to create first online catalog of all plants. (via @BatesNursery)
- Why efficiency won’t solve our water problems. (via @waterguru2)
- How to: reboot a terrible voicemail. (via @jasoncupp)
- Above: Environmental Business Award winner Mark Halla explains why and how he built a wind turbine at his Minnesota headquarters.