In Hebrew: 'Rainforest'

יַעַר גֶּשֶׁם A rainforest is a place of astounding beauty and biodiversity. Rainforests are also responsible for 28% of the world's oxygen, according to Wikipedia.

The Hebrew term for rainforest is a literal translation of the English - יַעַר גֶּשֶׁם, where יער means forest and גשם means rain.

An example in context:

"לִפְעָמִים קוֹרְאִים לְיַעֲרוֹת הַגֶּשֵׁם "הָרֵאוֹת שֶׁל הָעוֹלָם The rainforests are sometimes called "the lungs of the earth." Visit Ktzat Ivrit.