Siemens

All landfill trash decomposes over time and releases methane, a greenhouse gas, into the air. At landfills across the county, new technology is being developed to capture that gas, treat it and send it where it can be used as fuel. At Three Rivers Landfill in South Carolina, landfill gas travels 17 miles through a pipeline to Kimberly Clark"s Beech Island facility, where it helps to power the manufacturing plant.

According to the UN, more than half of the world will be living with water shortages in the next 50 years.One solution to the growing problem is reclaiming and recycling water instead of disposing it into oceans and rivers. Using new technology, agrowing number of communities in the U.S. are starting to reuse and recycle water.

Klaus Kleinfeld, President and CEO, Siemens AG, offers a cautionary note in dealing with the growing issue of climate change.