Option C provides the best summary of the text, highlighting NASA's involvement in the National Climate Task Force and its expertise in researching Earth from outer space.
The statement that provides the best summary of the text is option C: NASA has joined the National Climate Task Force as part of a government-wide approach to climate change. NASA's contribution will be helpful because it has researched Earth for years from outer space.
This option accurately summarizes the main points in the text, emphasizing NASA's involvement in the National Climate Task Force and highlighting NASA's expertise in researching Earth from outer space.
NASA's contributions to understanding climate change are valuable because it has access to satellite data and remote sensing technologies that can provide important information about environmental changes on Earth. With its extensive experience in Earth observation from space, NASA's involvement is expected to enrich policy decisions with scientific data and insights.