Without electricity, explosions spread radiation from the plant. One hundred-sixty thousand were evacuated from a 20 km radius while workers struggled to control the reactors. Six weeks later, a Japanese official recorded tsunami damage footage.
An expert believes the Fukushima disaster could have been avoided. Learn the events that caused the reactor to explode and release radiation into the environment. Contaminated sea water has also leaked from the plant.
In the Owens River Valley to the northeast of Los Angeles, farmers used river water for their crops. James Eaton and William Mulholland plotted to re-route the water to Los Angeles, persuading Teddy Roosevelt to allow it.
Bernice Notenboom leads an expedition from the Himalayas ti the plains of India, following one of the most famous river systems in the world – the Ganges. Fresh water sources from the Himalayas that provide water to over 1 billion people are under threat, but just what is happening here and how fast is what Bernice sets out to find out.
Coral Reefs have long been endangered by overfishing and pollution. Now, they face another major existential threat: increased acidity from warming oceans. PBS NewsHour correspondent Hari Sreenivasan reports from Florida. Original broadcast date: December 05, 2012
Fracking companies pump polluted water deep underground. Deep well disposal has been responsible for earthquakes and it permanently removes it from the water cycle. Wells consume vast amounts of water.