Archive | stormwater runoff RSS feed for this section

How do rain gardens & rain barrels reduce water pollution?

Every time it rains, stormwater runoff from developed areas creates problems. Our modern cities are engineered to funnel rainwater from the land as fast as possible into storm sewers were it then goes, untreated, into nearby creeks and streams.

Read full story Comments are closed

Water-wise gardening tips for South Africa

Because gardens are often so water-intensive, it is important to look at the principles of water-wise gardening. Water-wise gardens are also lower maintenance than normal gardens. The following tips are taken from Water-wise gardening (Department of Water Affairs and Forestry and National Botanical Institute, 1998).

Read full story Comments are closed

Rain Gardens Reduce Storm Water Runoff, Ease Strain on Sewer Systems

RAIN GARDENS: They will ease strain on the municipal sewer system and keep pollutants out of lakes, streams Rain gardens can be an attractive and effective way to reduce storm-water runoff from your roof, driveway and other surfaces in your yard.

Read full story Comments are closed

Water shortages ‘to hinder global economic growth’

Vital river systems in developing countries face unsustainable rise in water consumption Seven of the world’s 10 most populated regions face such severe water shortages over the next three decades that they threaten to derail the growth which hundreds of millions of people in the developing world are banking on to lift them out of […]

Read full story Comments are closed

How to Install a Rain Garden (Video)

Rain Garden Installation Guide Raingardens are a great way to utilise rainwater from your rooftop and reduce stormwater runoff.  Rainwater can also be directly harvested into water tanks for use as garden irrigation water or for domestic use.  To see what types of rainwater tanks and water tanks are available in South Africa, see below.

Read full story Comments are closed

Examples of Rainwater Tanks & Rainwater Harvesting Around the World

The types and sizes of water tanks used for rainwater harvesting vary around the world and some have very interesting innovations.

Read full story Comments are closed

Greening our Cities (Part 2)

Studies estimate that 1 square metre of grassed rooftop can remove up to 2kg of polluted particles from the air every year, depending on the foliage type. By definition a green roof can be: A layer of living vegetation that is installed on the top of a conventional flat or sloping roof; An extension of […]

Read full story Comments { 0 }

Greening our Cities (Part 1)

Offering respite from the urban jungle along with a host of unseen building benefits, green rooftops are now a rapidly growing trend. Half of humanity now live in cities.  In the developing world some 3 million people move into cities every week.  This new urban age is faced with many overlapping challenges.  The demand for […]

Read full story Comments { 0 }

Synthetic-free Green Gardening

There are two main reasons why using synthetic chemicals on your garden should be a no-no. Firstly, unless you get the balance absolutely perfect, the reality is that a large portion of the synthetic fertilisers you add to your garden will not be absorbed by the plants, but rather washed from the soil into the […]

Read full story Comments { 0 }