"Policy goals" won't be enough to protect bicyclists once the cars start driving themselves. Strong standards will be necessary to govern the interactions between cars and bikes in an autonomous future.
Reporting from Cedar Rapids, Iowa, where a 2008 flood devastated 14% of this city of 126,000, John Eligon writes of the extensive rebuilding that has occurred in the flood plain - largely without protection from future floods.
Hurricane Sandy made New York's increasing vulnerability to extreme storms apparent, and the need elevate buildings in flood-prone areas imperative. This task is made particularly challenging due to the prevalence of multistory buildings.