Environmental data

shouldn’t be expensive or hard to find

Material compositions, emissions factors, and LCAs

all in one place

Only pay for what you use

Query 1.9 million

datapoints & LCAs

Search for free

only pay for what you use

More accessible

for practitioners, researchers, and organizations

Circa’s Library contains material compositions, emission factors, and whole LCAs. There are over 1.9 million records in the Library.

The Library is completely free to search— you only pay for data you’d like to use.

Our pricing is designed to make high quality environmental data more accessible, at just $0.95 per datapoint.

The Library contains data from a variety of sources, including the IPCC, Ecoinvent, and EPD International. The source of every record is listed so you always know where your data is from.

All Library data is exportable in .csv format.



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