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Xeriscape, the Art of Water Conserving Landscaping

by Petz Scholtus, Barcelona on 05.15.08
Science & Technology

xeriscape water conserving gardens photoimage credit: Suzie Gibbons/Getty Images

Garden centres in countries affected by draught, like Spain for example, are promoting Xeriscaping (or Xeroscaping) in order to motivate people to help save water. This technique of water conserving landscaping doesn’t refer to cactus gardens or those that are all tiled up and plantless. The possibilities of Xeriscaping are plentiful, resulting in lush and flowery garden designs. This concept of gardening has been around since the 80ies in the US. As climate patterns shift, xeriscaping is catching on in other areas and has been very popular here in Spain for the last few years. The term itself derives from the Greek word ‘xeros’, meaning dry, and the word ‘landscape’.

The idea behind Xeriscapes is to create gardens with a rational water use, to avoid any waste of water, especially in Mediterranean and warm temperate climates. Saving water however is not the only objective of Xeriscaping. It also intends to eliminate the amount of chemical fertilizers and pesticides as well as petrol-driven machinery to keep the garden in shape. Plus is saves you money and maintenance.

Read more: Xeriscape, the Art of Water Conserving Landscaping

Will The Great Lakes Be Another Aral Sea?

by Lloyd Alter, Toronto on 05.13.08
Science & Technology

aral%20sea.jpg

We have droned on about the Great Lakes Compact, about how petty politics, stupidity and self-interest could kill this international coalition to protect one of the world's great resources. Others say it better; Robert Oullette writes:

"It is hard to imagine the Great Lakes being great no more—but it is possible. Just take a look at the Aral Sea in Kazakhstan and Uzbekistan for an example of what havoc exploitative policies can cause on a seemingly robust ecosystem. We tend to think such savage exploitation will never happen here, but we also thought the Cod Fishery would go on forever, and Passenger pigeons were so plentiful that we could kill them at our pleasure."

Read more: Will The Great Lakes Be Another Aral Sea?

Global Conservation Made Eas(ier): Mapping the World's Freshwater Species and Ecoregions

by Jeremy Elton Jacquot, Los Angeles on 05.11.08
Science & Technology

loch garten
Image courtesy of conner395 via flickr

Unless you've been living under a rock, you'd be hard-pressed to miss the continuous stream of news stories describing the threat posed by the world's dwindling reserves of freshwater. With some talking up the potential for water becoming the next "oil," it has become imperative for international NGOs and governments to focus their energy on forestalling a global crisis that could devastate developing countries. Fortunately, the WWF and Nature Conservancy have developed a handy new resource, the FEOW (Freshwater Ecoregions of the World) map, to help guide current and future conservation efforts.

Read more: Global Conservation Made Eas(ier): Mapping the World's Freshwater Species and Ecoregions

"Solar Water Disinfecting Tarpaulin" is the 2008 Metropolis Next Generation Design Winner

by Collin Dunn, Corvallis, OR, USA on 05. 6.08
Science & Technology

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Amy MacWilliamson

Clap your hands and say "Yeah!" for Eric Olsen, the winner of the 2008 Metropolis Next Generation Design Prize. The architect and college professor took home the fifth-annual prize for his response to this year's theme of water.

The San Francisco-based architect was awarded $10,000 for his project, Solar Water Disinfecting Tarpaulin, which is a vessel for both transporting and purifying water that may be put to good use in disaster areas, developing urban areas, rural regions, or anyplace where clean water is otherwise difficult or impossible to come by. According to Metropolis, "It is lightweight, expandable, and comfortable to wear, allowing a greater volume of water to be carried when compared to traditional vessels."

Read more: "Solar Water Disinfecting Tarpaulin" is the 2008 Metropolis Next Generation Design Winner

EPA Report Looks at Managing Water Supplies in a Warming World

by Jeremy Elton Jacquot, Los Angeles on 05. 4.08
Science & Technology

lake powell
Image courtesy of Wolfgang Staudt via flickr

Though the EPA has come in for a fair amount of criticism on this site - largely due to its political leanings of late - it goes without saying that its work is tremendously important and that its regular reports, on topics ranging from waste management to air pollution, are well worth the reading. ES&T's Naomi Lubick brings us word of a new draft report on the effects of climate change on water management, called "National Water Program Strategy: Response to Climate Change," which provides a valuable insight on its challenges and the potential mitigation strategies we should be considering.

Read more: EPA Report Looks at Managing Water Supplies in a Warming World

Necky Recycled Kayaks

by Warren McLaren, Sydney on 05. 1.08
Science & Technology

necky-recycled-kayak-image.jpg

Way back when TreeHugger was a babe in the woods we posted on Walden, who at the time made roto-moulded kayaks from recycled plastic. They alas closed their doors, and we found Hydra, who made a portion of their craft with recycled content. But the overall Walden idea was kept alive by Earth Friendly Kayaks. Recently the whole concept was reinvigorated by Necky Kayaks of Washington state, USA.

They make several lengths of their Manitou kayaks from 100% recycled post industrial HDPE. Interestingly they’re claiming the recycled plastic is stronger than standard materials. As well as embracing the recycle ethic, Necky also donate 1% of gross sales to the Waterkeeper Alliance, who champion clean watershed program.

Read more: Necky Recycled Kayaks

High Lead Levels Found in Australian Rainwater Tanks

by Warren McLaren, Sydney on 04.30.08
Science & Technology

Australian-rainwater-tanks-.jpg

Australia has been in the grip of a one-in-a-thousand-year drought. A while back we looked at how this was affecting the ability of cities to provide basic drinking water services and what it meant for agriculture. Then we perked up with stories on how individual Australians and their municipalities have again embraced rainwater harvesting. With gusto. (Governments have even being giving rebates for tanks.)

Unfortunately new report somewhat rains on that parade. According to a study released last week a third of the Melbourne suburban rainwater tanks studied had heavy lead levels, above the Australian drinking water guidelines. Researchers from Melbourne Monash University and the CSIRO also found traces of heavy metals such as cadmium. Damn.

Read more: High Lead Levels Found in Australian Rainwater Tanks

Sponsor a Lifestraw Family Water Filter with Project H Design

by Collin Dunn, Corvallis, OR, USA on 04.25.08
Science & Technology

lifestraw-family-system-water-filter-photo.jpg

We've oohed and aahed at the Lifestraw, the cigar-sized personal point-of-use water filter produced by Vestergaard Frandsen. While it certainly has the potential to provide clean drinking water to a lot of people, a family of five would potentially need five Lifestraws to insure access to clean water. That's why they developed the Lifestraw Family, a water filter system designed to filter enough water for an entire family.

Read more: Sponsor a Lifestraw Family Water Filter with Project H Design
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