Ein Kugelbad der anderen Art - BIORAMA
Schwarze Plastikbälle sollen Los Angeles vor der Dürre schützen
Kalifornien: Warum schwarze Bälle gegen die Dürre keine gute Idee waren - DER SPIEGEL
Shade balls in the L.A. Reservoir - Los Angeles Times
Shade ball - Wikipedia
Reservoir No. 2 - Shade Balls - YouTube
Ivanhoe Reservoir Covered With 400,000 Black Plastic Balls | Amusing Planet
96 million 'shade balls' rolled into Los Angeles Reservoir as water protection | CBC News
Why were millions of plastic 'shade balls' dumped into LA reservoir black and not white? - Quora
Panzerball AQUA | Innovative schwimmende Ballabdeckung
Why plastic shade balls are being removed from some LA reservoirs | Plastics News
Why shade balls aren't such a great idea after all | Grist
Why 96 million plastic 'shade balls' dumped into the LA Reservoir may not save water | PBS NewsHour
i.ytimg.com/vi/zyTooA-K-Lg/sddefault.jpg
Too much sun? Millions of 'shade balls' limit evaporation, algae growth at Los Angeles Reservoir – Orange County Register
Using 'shade balls' in reservoirs may use up more water than they save | Imperial News | Imperial College London
National Geographic - Drei Millionen Shade balls schwimmen auf dem Ivanoe-Wasserreservoir bei Los Angeles in Kalifornien. Die Kunststoffbälle reflektierten UV-Strahlung, die zur Bildung eines Karzinogens im Wasser führte. Hier geht's zur kompletten
Ein Kugelbad der anderen Art - BIORAMA
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)
In California, Millions of 'Shade Balls' Combat a Nagging Drought - The New York Times
Why plastic shade balls are being removed from some LA reservoirs | Plastics News
Why Did L.A. Drop 96 Million 'Shade Balls' Into Its Water?
: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
Evaluation of shade balls for mitigating summer heating of stormwater management ponds - Sustainable Technologies Evaluation Program (STEP)
