The issue focused on former NASA scientist James Hansen, who had raised concerns about climate change and climate science in the 1990s. He also raised concerns about whether climate change research at NASA was conducted with scientific integrity. NASA scientists had failed to communicate their research and climate research in a way that made it available to the public. NASA scientists had made climate research available to the public for research projects and published research on their climate research. NASA scientists had found that climate research they had published was inconsistent with their studies in other climate