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# Copernicus Essential Climate Variables for assessing climate variability

This tool allows you to retrieve Copernicus **Essential Climate Variables** for assessing climate variability from the [Copernicus Climate Data Store](https://cds.climate.copernicus.eu/#!/home).

Copernicus ECV for assessing climate variability is available from the Copernicus portal at https://cds.climate.copernicus.eu/cdsapp#!/dataset/ecv-for-climate-change?tab=overview

To be able to retrieve data, you would need to register and get your [CDS API key](https://cds.climate.copernicus.eu/api-how-to).

The CDS API Key needs to be:
  - located in a file called `.cdsapirc`in the HOME area 
    (as defined the `HOME` environment variable). 
    The file `.cdsapirc` should look like that:

```
url: https://cds.climate.copernicus.eu/api/v2
key: 111:8789787-qwerz4e47-888-not-real
verify: 0
```
  - or use `GALAXY_COPERNICUS_CDSAPIRC_KEY_FILE` to specify where your key file 
    is stored on your system.