The Obama administration took all of the following initial steps at home to promote environmental change except

a. Secretary of State Hillary Clinton appointing a special envoy for climate change.
b. spending $80 billion of the 2009 stimulus to advance "green jobs.".
c. successfully getting the Senate to pass a cap-and-trade bill mandating limits on greenhouse gases.
d. setting new emission standards for new vehicles built for 2017 through 2025.
e. President Obama personally attending the United Nations Conference on Climate Change in Copenhagen, Denmark.

C