Hello Keon Min!

Great job on your homework! I see you think people are the main reason for global warming. You're right! People use a lot of energy, like cars and factories, that can hurt the planet. If everyone tries to take care of the Earth, we can make a big difference! Keep up the good work!

~Teacher Cathy

I think Global warming The main culprit is people

>>I think people are the main culprits behind global warming.