题目内容：

英语翻译
as ridiculous as that may sound in the face of the immense challenges facing your earth

优质解答

（尽管）对于你在现实世界里面对的巨大挑战来说,这听起来要多荒谬有多荒谬.
that指的是前文,前文所述的事情在挑战众多的现实世界来说是很荒谬的.