catastrophic success

基本解释

What does it mean that "China holds the key to the success of humanity's efforts to prevent catastrophic climate change?"
作者在文中提出的“在人类防止灾难性气候变化的努力中，中国是成败的关键”这句话是什么意思？

Coming so soon after Seattle, any meeting would need to be a stunning success to avoid being judged a catastrophic failure, and would also run the risk of a repeat of Seattle-style chaos.
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In contrast, focus on success often encourages complacency which leads to profound and catastrophic failure.
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Despite a catastrophic conversion rate that generated unnecessary inflation, the move has been a heartening success.
FORBES: Fact and Comment