酷地球公司预定今年夏天启动一百万瓦的发电设施。
这样一颗太阳能气球，就像传统的太阳能反射镜板一样，必须随太阳横越天空时移转面向，所以酷地球公司正在进行各种使气球转向的实验。
Like a conventional mirror, a solar balloon of this sort must be turned to face the sun as it moves through the sky, and Cool Earth is testing various ways of doing this.
不过现在有一家美国加州的公司“酷地球太阳能利物摩”(Cool Earth Solar of Livermore)发明出一种更优良又更便宜的办法：飘浮的气球。
But now Cool Earth Solar of Livermore, California, has come up with what it hopes will be a better, cheaper alternative: balloons.
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