Soon after Christy's testimony, Roger Pielke Jr. and Steve McIntyre weighed in
by attacking the
largely correct testimony from Christopher Field, while turning blind eye to Christy's grossly misleading testimony that contained myths regarding
extreme weather events.
The first of the TAR chapters (Chapter 7) was
largely devoted to impact issues for human settlements, concluding that settlements are vulnerable to effects of climate change in three major ways: through economic sectors affected
by changes in input resource productivity or market demands for goods and services, through impacts on certain physical infrastructures, and through impacts of
weather and
extreme events on the health of populations.