Plastikbälle gegen Wasserknappheit - science.ORF.at
Kalifornien: Warum schwarze Bälle gegen die Dürre keine gute Idee waren - DER SPIEGEL
Los Angeles Reservoir Covered With 96 Million Shade Balls to Conserve Water Amidst Drought - ABC News
Millions of “Shade Balls” Added to California Reservoirs to Stop Evaporation (WATCH)
Stabilized HDPE 'Shade Balls' Help Reduce Water Evaporation from L.A. Reservoir | Plastics Technology
Why shade balls aren't such a great idea after all | Grist
What ever happened to LA's 'shade balls'? | LAist
Shade ball - Wikipedia
Panzerball AQUA | Innovative schwimmende Ballabdeckung
96 million 'shade balls' rolled into Los Angeles Reservoir as water protection | CBC News
WTF Are Shade Balls? - YouTube
Schwarze Plastikbälle sollen Los Angeles vor der Dürre schützen
In California, Millions of 'Shade Balls' Combat a Nagging Drought - The New York Times
i.ytimg.com/vi/zyTooA-K-Lg/sddefault.jpg
Evaluation of shade balls for mitigating summer heating of stormwater management ponds - Sustainable Technologies Evaluation Program (STEP)
Why 96 million plastic 'shade balls' dumped into the LA Reservoir may not save water | PBS NewsHour
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/54077761/GettyImages_566070217.0.jpg "Ivanhoe Reservoir's shade balls are going away very soon - Curbed LA")
Ivanhoe Reservoir's shade balls are going away very soon - Curbed LA
Los Angeles Reservoir's 'shade balls' are a 'bacterial nightmare' | Daily Mail Online
Why Did L.A. Drop 96 Million 'Shade Balls' Into Its Water?
Too much sun? Millions of 'shade balls' limit evaporation, algae growth at Los Angeles Reservoir – Orange County Register
Shade balls in the L.A. Reservoir - Los Angeles Times
Using 'shade balls' in reservoirs may use up more water than they save | Imperial News | Imperial College London
:no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/8281711/image4.JPG "Ivanhoe Reservoir's shade balls are going away very soon - Curbed LA")
Ivanhoe Reservoir's shade balls are going away very soon - Curbed LA
Ein Kugelbad der anderen Art - BIORAMA
Ivanhoe Reservoir's shade balls are going away very soon - Curbed LA
Ivanhoe Reservoir Covered With 400,000 Black Plastic Balls | Amusing Planet
