英语句子解析，翻译As has been all too apparent in recent days at Balc

As has been all too apparent in recent days at Balcombe, few issues cause greater concern than energy policy. （As后主语在哪）

Those who disagree with the rapid expansion of wind farms state that the damage they cause is out of proportion(比例) to the benefits they bring, because their energy output cannot match that of the carbon-based power stations they are supposed to replace. （第一句that和第二句that的用法）