Fox News, Sept 5, 2007

Biodiversity - the species we share our planet with - is under pressure. Post-2015 Consensus research finds that a global target to prevent the loss of coral reefs will gives at least $24 of environmental benefits per dollar spent. Likewise, reducing the current loss of forests by half would likely do about $10 of good for each dollar spent. However, increasing protected areas, because it is very costly but only somewhat helpful, is likely to do less than $1 of good per dollar spent.

2013-10-14 FOR the past half century, a fundamental debate has raged between optimists and pessimists over the state of the world. Pessimists build their case on overpopulation, starvation and depletion of resources. Optimists stand for the infallibility of the market economy. Wouldn't it be nice to remove the darkened or rose-tinted spectacles for once, and try to quantify how the world really has done and will do in future? I asked some of the world's leading economists to do just that. The result is a groundbreaking book, How Much Have Global Problems Cost The World?

Read the interview on Fox News