Jon Foley: Agriculture turns out to be one of the biggest emitters of greenhouse gases. About 30% of all of our greenhouse gases come from either clearing land or farming land we already have. That's more than all the world¡¯s electricity. It's more than all the world's transportation.
ÇǶ÷•¸£Àû£º¾Ý·ÖÎö£¬Å©ÒµÊÇÎÂÊÒÆøÌåÅÅ·ÅÁ¿×î´óµÄÐÐÒµÖ®Ò»¡£ÈËÀàÎÂÊÒÆøÌåÅÅ·ÅÁ¿Ô¼30%À´×ÔÒÑÓеĿª¿ÑµØºÍÅ©Ìï¡£Õâ±ÈÈ«ÇòµçÆøÐÐÒµ»ò½»Í¨ÔËÊäÒµµÄÅÅ·ÅÁ¿»¹´ó¡£
You're listening to Jon Foley, director of the Institute on the Environment at the University of Minnesota. Using a NASA satellite, Foley's been conducting a large-scale global analysis of agriculture's impact on the environment.
½ñÌì½ÚÄ¿×é²É·ÃÁËÃ÷ÄáËÕ´ï´óѧ»·¾³Ñо¿ËùÖ÷ÈÎÇǶ÷•¸£Àû¡£¸£Àûͨ¹ý¹ú¼ÒÓ¾ÖÎÀÐǹ۲â·ÖÎöÁËÈ