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Encyclopedia of Earth Welcome to the Encyclopedia of Earth, an electronic reference about the Earth, its natural environments, and their interaction with society. The Encyclopedia is a free, fully sea ...

Lenntech designs, builds and installs a wide range of odour treatment, water purification and air filtration products using UV, ozone, Ecosorb, drum filtration. Also cooling towers.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Serving customers in technology, energy, healthcare and industrial markets worldwide with a unique portfolio of products, services and solutions, providing atmospheric gases, process and specialty gases, performance materia...

The NOAA Earth System Research Laboratory was formed to observe and understand the Earth system and to develop products, through a commitment to research that will advance the National Oceanic and Atmopsheric Administration

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

Gateway for news, jobs, and other physics resources. AIP is a leading STM publisher of research journals, proceedings and other scientific publications. AIP provides services for scientific societies including membership and subscription management.

Praxair, Inc. a worldwide provider of industrial gases, including atmospheric, process and specialty gases. Praxair helps virtually every industry improve product quality, boost performance and benefit the environment through the application of atmos...

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Weather Underground provides weather information for worldwide locations, including current conditions, hourly forecasts, radar and satellite maps. Specialized weather products include severe weather alerts, hurricane tracking, ski and sports weather...

A weekly review and repository of scientific research findings pertaining to carbon dioxide and global change.