The company uses patented technology to manufacture atmospheric water generators which, in certain geographic climates, can take humidity from the atmosphere and convert it into as much as 1200 liters of clean, potable water per day.

FORBES: Investors Are The Key To Solving The World's Water Problems

The sekitori are exempt from many chores, are free to marry and live outside of the stable, but the novice rikishi are expected to cook, clean and tend to the needs of their seniors, as well as train many hours every day.

BBC: The life of a sumo wrestler

For 15 years, our country has celebrated America Recycles Day as a time to focus on conserving valuable materials, keeping our communities clean, and protecting our environment.

WHITEHOUSE: Presidential Proclamation -- America Recycles Day, 2012

Thousands of Rwandans have taken the day off work to pick up plastic bags as part of a government attempt to clean up the environment.

BBC: Rwanda gets tough on plastic bags