I would say that the answer is #2
Pollution how it is affecting the climate or racesim still going on or the gmos genetically modified organisms that we eat every day
It was a stormy night. rain can’t actually be alive or leap around. the sentence says nothing about frogs
The tone in the last stanza is regretful. The poem is about a man who received advice from a wise man that he can give away all his wealth but not his heart. He's told that once you give away your heart, you lose it and end up regretting it. He experiences it and regrets afterwards.