Global Biotic Interactions (GloBI) provides open access to finding species interaction data (e.g., predator-prey, pollinator-plant, pathogen-host, parasite-host) by combining existing open datasets using open source software.
DataONE is a community driven program providing access to data across multiple member repositories, supporting enhanced search and discovery of Earth and environmental data
The U.S National Science Foundation's National Ecological Observatory Network is a continental-scale observation facility operated by Battelle and designed to collect long-term ecological data.
Climate Watch offers open data, visualizations and analysis to help policymakers, researchers and other stakeholders gather insights on countries' climate progress.
FAOSTAT provides time-series and cross sectional data relating to food, agriculture, and forestry for some 200 countries from the Food and Agriculture Organization of the United Nations.