Every tree we plant today is an investment in tomorrow's clean air and healthy ecosystems.
今天我们种下的每棵树都是对未来清洁空气和健康生态系统的投资。
The steel industry must embrace sustainability or risk becoming obsolete.
"The universe is a pretty big place. If it's just us, seems like an awful waste of space."
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
盖亚假说是为那些喜欢散步或只是站着凝视的人准备的,他们思考地球及其承载的生命,并推测人类活动的后果。