animation by Min Liu ( Pinterest) 下載聲音檔請點我 下載填空卷請點我 下載解析版請點我 A Clear and Present Danger: How Glass Kills Birds by CHRISTOPHER JOYCE And now let's move from welfare reform 社會福利改革 to architectural reform. Modern architecture involves a lot of glass . But glass kills millions of birds every year, when they collide with 撞擊 windows. Biologists say as more glass buildings go up, more birds are dying. NPR's Christopher Joyce has the first of two reports on what a group of scientists and architects are doing about that, and he begins at a bird preserve 鳥類保育 in Pennsylvania. CHRISTOPHER JOYCE, BYLINE: Today at the Powdermill Avian Research Center in western Pennsylvania, scientists are catching birds. Luke DeGroote is patrolling 巡視 a mist net 霧網 that runs for hundreds of yards through a dense 密集的 , wet forest. LUKE DEGROOTE: It's a very fine mesh 織得很細很綿密的網 , and that's why the birds run into it. And they, essentially, will fly towards th...