Then there is a point made by Richard Tol of VU University Amsterdam: farm yields show theworst of the situation. Easily achievable improvements in roads, markets and other things canincrease the availability of food a lot even if farm yields stop rising. And people can adapt, atleast to lowish levels of change; indeed the study provides evidence to help them do so as itshows which crops in a given country are the most affected by global warming. So Malthuslooks beatable even when he sits astride the apocalyptic horse of climate change.
接着阿姆斯特丹自由大学的理查德?套耳指出一个要点:农作产量指示着最坏的情形。即使农作物产量停止增长,在公路、市场和其它方面容易取得改进能够使食物的有效利用大大增加。而且人们至少能够适应相当小的变化;的确,当研究表明在一个被考察的国家里哪一种农作物受全球升温影响最大时,研究提供的证据有助于人们去适应。因此即使马尔萨斯骑在预示气候变化大灾难的高头大马上时,看起来他也被击败了。
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