One must ask, however, if there has since been any real, substantive progress in the understanding and practice of science as it relates to the fullness of knowledge. (faith.org.uk)
This issue held up substantive progress for 8 of the 10 days of the conference. (treehugger.com)
Indeed, as New York magazine's Jonathon Chait points out, to the extent that the Obama administration has been able to make substantive progress on climate change, it has been through a combination of smaller scale, less politically visible approaches rather than pushing for society - transforming solutions such as an economywide price on carbon. (ensia.com)