The New South Wales water authority report released on Thursday warns there's no end in sight to record-setting drought.
Global warming is amplified with elevation, making climate threats and impacts greater for the Hindu Kush Himalaya region.
The Yamuna is also the main source of water for nearly 20 million people yet it's severely polluted.
The cannabis industry will see $40 billion in annual sales by 2025.
Corporations are learning to use water more sustainably, but they can still be doing a better job.
Many European waterways are so badly polluted they fail to meet minimum ecological standards.