Frequently Asked QuestionsIs climate change the same thing as global warming?Why is climate change happening?What is the greenhouse effect, and how does it affect the climate?Does the “ozone hole” have anything to do with climate change?Hasn't the Earth's climate changed before? What's different about climate change today?Why is it a problem if the Earth's average temperature gets a little warmer?How can the Earth be getting warmer if it's colder than usual where I live?What are the most visible signs of climate change?Can climate change harm plants and animals?What can we do to stop climate change?