Climate

https://climate.nasa.gov/

EPA API

https://edg.epa.gov/metadata/catalog/main/home.page

Kaggle

This is a Kaggle dataset for earth surface temperature data. One file has data from 1743 GlobalLandTemperaturesByCity.csv (508.15 MB)

https://www.kaggle.com/berkeleyearth/climate-change-earth-surface-temperature-data

NOAA

There is some data available from the government:

https://www.ncdc.noaa.gov/cdo-web/datasets

https://www.ncdc.noaa.gov/cdo-web/

Datahub

Datahub attempt to tell us the most important climate datasets: https://datahub.io/collections/climate-change

Climate concerned Orgs

https://foodtank.com/news/2020/10/36-organizations-helping-solve-the-climate-crisis/