Rainwater is collected from the rooftop of the Permanent Camping! Mudgee abode by Casey Brown, NSW, Australia. Photo by Penny Clay
The Green School in Badung, Bali, Indonesia, by Effan Adhiwira, employs micro-hydro power, solar power, bio-diesel, and natural air conditioning; it was also constructed with 99% natural materials. Photo by Iwan Baan
A group of Woolly Pocket planters can be put up in an afternoon. Each planter's hook requires one screw to hang.