Given the context of our core accretion model and the evidence of the destruction and decay of planet Earth we may deduce that the curse that God placed upon the ground was nuclear decay.
Cursed Earth
Answer 2
Original sin is why mankind is in a fallen state. However, that's not our fault. We're born into this system but we're not going to be held accountable for it. We have our own sin which is why we're under the judgment of God.
August 30th
Noah's flood pictures the cleansing that we receive symbolically in baptism. The Earth was baptized and regenerated. Harmful pollutants which had been accumulating since the fall of man were washed into the oceans.