The future of forestry lies in balancing economic needs with ecological responsibility.
The essence of learning is the acquisition of meanings.
对付一个不自由的世界的方法就是变得如此绝对自由,以至于你的存在本身就是一种反叛。
仅靠技术无法拯救我们;它必须与我们消费和思考能源方式的根本转变相结合。