Politics Food Shortage/Environmental Degradation November 19, 2009 Professor Nerdster Leave a comment http://video.economist.com/linking/index.jsp?skin=oneclip&ehv=http://audiovideo.economist.com/&fr_story=99c9766668c294ad7c6048b444de3785443dd6df&rf=ev&hl=true Should remain skeptical of long-term forecasts. FacebookTumblrTwitterPinterestLinkedInReddit