Using Multiple Strategies Such as Cap-And-Trade,reforestation,efficiency and Renewable Energy Will

Using multiple strategies such as cap-and-trade,reforestation,efficiency and renewable energy will be needed to

A) reduce carbon emissions to 1950 levels by the year 2020.
B) to mitigate and stabilize carbon emissions at 2005 levels by 2055.
C) eliminate the use of personal gasoline vehicles in all developed countries by the year 2055.
D) convince skeptics and deniers that climate change needs to be addressed.