World of Slums

Just a decade ago, humanity first crossed the historic line whereby half of population resided in urban surroundings. Many see this unprecedented global urbanization trend

Read more »

Trees, Trees, Trees

Plants began to appear on Earth nearly six Billion years ago. As part of the photosynthesis process, plants produce energy and organic compounds whereby by

Read more »

Graywater

Waste water produced in residences can be divided into two types. Black water, which has fecal secretions from toilets or nutrients from the kitchen, and

Read more »
Categories