Of the Following Adjustments to Tolerate Global Warming,the Least Effective

Of the following adjustments to tolerate global warming,the least effective would be

A) breeding food plants that need less water and are more tolerant of salt.
B) expanding protected areas and connecting them by corridors.
C) moving storage tanks of hazardous materials away from coastal areas.
D) establishing large food supplies on barrier beaches.
E) switching to locally based sustainable technologies.