• Scistarter

• Environmental News Network

Electronic Journals Library 

Environmental Humanities 

Journal of Environmental Studies and Sciences

• CAIT  Climate Data Explorer
• Data.gov - home of the U.S. Government's open data
• DataOne
• DOE DATA Explorer
• DRYAD
• Global Invasive Species Database
• KNB
• Registry of Research Data Repositories
• Scientific Data 
• Socioeconomic Data and Applications Center (SEDAC) - Environmental Performance Index (EPI)
• The World Bank-Environment

• Congress.gov
• Environment and Climate Change Canada
• Environment Canada
• Great Lakes Information Network
• National Service Center for Environmental Publications
• Superfund: US EPA
• The Intergovernmental Panel on Climate Change
• Supreme Court of the United States
• The World's Water

AgriXiv - Agriculture and Allied Sciences

arXiv -Quantitative Biology, Physics, Math, Computer Science

bioRxiv  -Biology

ChemRxiv  -  Chemistry

engrxiv - Engineering

MarXiv Repository - free research repository for the ocean and marine-climate sciences.