Обнаружено, почему необходимо бороться с нелегальной иммиграцией

[birdwatcher]

LA TIMES -- "Assuming that the climate projections are correct, gradually over the next several decades heading toward the end of the century, it becomes one of the more important factors in driving Mexicans across the border, all other things being equal," said study author Michael Oppenheimer, professor of geosciences and international affairs at Princeton University.