• Global Warming: Frequently Asked Questions
• What does the greenhouse effect have to do with global warming?
• What is causing global warming?
• What is the best source of scientific information on global warming?
• Is global warming already happening?
• Are humans contributing to global warming?
• How much warmer is the Earth likely to become?
• Would a temperature rise of a few degrees really change the global climate?
• Is global warming connected to the hole in the ozone layer?
• Is there anything we can do about global warming?
• How much warmer is the Earth likely to become?
• More Questions?

The subjects of climate change and global warming have so quickly become mainstream topics of conversation, discussion and debate the world over that questions typically arise as we all become more familiar with the subjects.

And, in just about every case, one question leads to another, one subject invariably leading to another, and that being the case, Forecast Earth thought it best to post a list of frequently asked questions, along with these answers formulated by The Union of Concerned Scientists