About Us | FAQ | Contact Us | Site Map Provide Feedback Subscribe Download Add to the GCMD Keywords Discussion List Learning Center Questions & Answers The following pages have answers to many of the commonly asked questions about global environmental change. How fast are we losing forests? How does losing forests affect us? What is El Niño and what are its effects on the planet? Is the ozone hole really a hole?  What is ozone depletion? Is sea level rising?  Do we have to worry about it? What can I do to help out the planet? Where can I find Science Fair Project ideas? Where can I can I find those great images you display on the GCMD exhibit booth? Why does the Arctic appear to be warming faster than the rest of the globe? Further reading. Learn more about global environmental change. If your question wasn't addressed above, you might want to try these other FAQ pages: Global change and data FAQs from the GCMD NASA's Earth Science Enterprise FAQ pages Ocean FAQs from Woods Hole Oceanographic Institute. If you were unable to get an answer to your question from the above sources, please E-mail your question to the GCMD Staff at gcmduso@gcmd.nasa.gov or: Ask Dr. Global Change Ask A Geologist Ask An Oceanographer Ask A Biologist Ask A Meteorologist Home Data Links Home   Data Sets    Data Services    Portals    Authoring    What's New    Community    Calendar    Links    FAQ    Site Map Responsible NASA Official: Lola Olsen    Curator/Content Owner: Gene Major    GCMD User Support    Privacy, Security, Notices