1. Greenhouse Effect
Earth has warmed by about 1f over the past 100 years. Scientists say the Earth could be getting warmer on its own, but many of the world's leading scientists think that things people do are helping to make the Earth warmer. ... Some changes brought about by global warming will be good. ... But it is also true that changes in some places will not be very good at all. ... Global warming may make the Earth warmer in cold places. ...
- Word Count: 3240
- Approx Pages: 13
- Grade Level: Undergraduate