Nature and Parks Authority says leak from supply canal caused salination of soil; plants dying as a result of the leak, some of them protected species; ICL says working to fix it

Recent examination said to show the walls were not built according to standards; experts say the toxic waste is cancerous, even on contact

While there are some signs of regeneration at Negev site of effluent spill, many contaminants remain in soil, hobbling flora growth and preventing fauna from bouncing back

Company says 5.5-megawatt facility, set to supply energy to Dead Sea Periclase Ltd, which produces magnesium products, forms part of overall plan to improve sustainability