Government policy needs to encourage such work. Climate-ARPA could be an organization that provides quick funding to worthwhile projects without regard to whether they support or challenge current understanding
Despite potential biases in the data, methods of analysis can be used to reduce bias effects well enough to enable us to measure long-term Earth temperature changes. Data integrity is adequate. Based on our initial work at Berkeley Earth, I believe that some of the most worrisome biases are less of a problem than I had previously thought.