What is global warming and the greenhouse effect? I need help with my project please...

I need help with my project please help. What is the greenhouse effect? List three greenhouse gases. List three facts about global warming. List three uncertainties about global warming. What's your opinion? Is global warming a real threat or are there more important environmental issues to resolve?

sort by best latest

Nick B profile image83

Nick B says

6 years ago
 |  Comment