Rooftop farming is a promising new trend to bring healthy and cheap food to urban areas. This type of farming all but removes soil from the equation, with each plant housed in plastic containers hovering above a tank, their stringy roots dangling into a circulating pool of nutrient-boosted tap water. A recent paper reports that growing leafy greens in rooftop hydroponic systems can not only produce a steady supply of vegetables—it can also be cheaper than buying store-bought alternatives.
Rooftop hydroponic systems produce cheaper, healthier greens than rural farms
More of Today's Solutions
4 simple ways to feel at your absolute best this summer
The sunshine of summer is enough to make you feel better than you usually do throughout the year. But with a few changes to ...
Read MoreA reader’s dream: Have a look at the world’s most stunning libraries
The powerful thing about books is that once you open one up, it can transport you to an entirely different world. Where you read ...
Read More3 questions to ask at the end of a job interview (and 3 to avoid)
Suppose you, like many others these days, are re-evaluating your priorities and looking to make changes in your professional life. This may mean that ...
Read MoreScientists find two new potential therapeutic options for ALS
Amyotrophic lateral sclerosis (ALS) is a devastating neurological illness with a poor prognosis, but two new trials suggest a brighter future. A team of ...
Read More
