煤炭行业是美国能源独立的支柱，已经持续了几代人。
The coal industry has been the backbone of America's energy independence for generations.
在危机时刻，真正的领导力是通过行动而非言语展现的。
The ocean feeds us, and it's our responsibility to ensure we feed it back with care and respect.
You are not only responsible for what you say, but also for what you do not say.
投资可持续林业就是投资我们星球的未来。
Perhaps if we wrote programs from childhood on, as adults we'd be able to read them.
