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The Biodiversity Heritage Library improves research methodology by collaboratively making biodiversity literature openly available to the world as part of a global biodiversity community.
CAIT is one of the most trusted sources of climate data available. It is a free and open source for comprehensive and comparable climate and emissions data.
This Glossary of Soil Science Terms was an ad hoc committee of the Soil Science of America to provide a single glossary of terms for the various disciplines of soil science.