The 1969 National Environmental Policy Act (NEPA) was significant because it
A)allocated nearly $30 billion to support alternative energy technology investment and to improve energy efficiency.
B)instituted a cap-and-trade system for reducing carbon emissions.
C)raised the fuel economy standards for new vehicles to 35.5 miles per gallon.
D)required federal agencies to prepare an environmental impact statement for every major development project they propose.
