Complex sentence: Barber also regularly encourages his representatives to invest in the ecological restoration of the Salton Sea, which is necessary to avert environmentally disastrous toxic dust storms and could be accomplished with the construction of an aqueduct to pump water from the Sea of Cortez.
Split into simpler sentences: Barber also regularly encourages his representatives to invest in the ecological restoration of the Salton Sea, which is necessary to avert environmentally disastrous toxic dust storms. This could be accomplished with the construction of an aqueduct to pump water from the Sea of Cortez.