It is World Water Day 2011. Water for Cities: Responding to the Urban Challenge is the theme of this UN-sponsored water awareness event. According to the official World Water Day website, the objective “is to focus international attention on the impact of rapid urban population growth, industrialization and uncertainties caused by climate change, conflicts and natural disasters on urban water systems.”

While the United Nations and organizations from around the world are participating in a series of events in Cape Town, South Africa, businesses are also getting in on the World Water Day 2011 fun.  

Teva is launching the new “Pair for a Foot” initiative in honor of World Water Day 2011. Teva will make a donation to a clean water nonprofit organization for every pair of Teva shoes or sandals it sells this year. The company estimates that 4.3 million feet of waterways will be protected through the donations it makes this year.

Lawn and garden product giant, Scotts Miracle-Gro, is launching a new consumer education campaign dedicated to expanding consumer’s knowledge of water quality and conservation efforts here in the United States. The company is also working on product improvements that will have a positive impact on water sources.

Nalco, a sustainability services company, announced a three-year, $450,000 grant to the World Wildlife Fund (WWF). The grant will fund a multi-objective water stewardship program focused on preserving Taihu Lake in China. Taihu Lake is the third largest freshwater lake in the country and is a primary water source for millions of people. Nalco is also setting up a $500,000 grant to Water For People for clean water efforts in West Bengal and Bihar, India.

While the American Rainwater Catchment Systems Association isn’t a business, the organization and groups from 19 nations have joined forces to create the Joint Rainwater Statement. The statement supports the promotion of sustainable rainwater harvesting practices as part of the solution to the world’s clean water crisis.

These are just a few examples of what businesses are doing in recognition of World Water Day 2011. If you’re a business owner, do you have anything planned for today?