Feb 10, 2009 ... The US Geological Survey's Global Change Research Program is an international source for ground-based and remotely sensed earth science data ...

Water Technology, Inc. is located in Wisconsin, Texas and Arizona. The firm is the largest full-service aquatic planning, design and engineering consultant, specializing in both indoor and outdoor aquatic facilities. This includes leisure and competitive venues for resorts, destination venues, municipalities, schools and universities, YMCAs, wellness and therapy venues.

Sustainable Sources - information and sources of materials, assistance, and links for further research on many aspects of sustainable construction and remodeling.

A world leader in the manufacture of innovative products to control the efficiency, safety, and quality of water within residential, commercial, and institutional applications. Its expertise in a wide variety of water technologies enables it to be a comprehensive supplier to the water industry.

self-reliant living, homesteading, gardening, canning, food preservation

Apricus Solar Water Heater Manufacturer of solar water heater, solar hot water, solar hot water heater, solar heating, solar collector, also evacuated tube, heat pipes.

Solar air conditioning, PV Solar Panels photovoltaic solar panels, solar hot water, solar air conditioners distribution and installation ... solar thermal solar water heaters, solar heating Solar HVAC solar electric - Solar Panels Plus LLC

Build It Solar will help people with Do It Yourself skills build solar projects that save money and reduce pollution. It is a "hands-on" site with detailed plans for solar projects including solar space heating, water heating, passive solar home design, solar pool heating, solar cooking, photovoltiacs, wind generators, and others.