1. Global Warming
... climate models). Industrial smog, primarily sulfur dioxide, is actually a "negative feedback- - its aerosol particles reflect incoming sunlight. By reducing smog levels from previous estimates, the IPCC's 2000 report increased global warming projections under its "business as usual- scenario for the next 50 years to between 1.4 and 5.8 degrees C (2.5 to 10.4 degrees F). Not surprisingly, the IPCC's 1990 report and predictions set ... temperature patterns, raising obvious concerns about the model's utility. The IPCC's 2000 report counters by arguing that surface-temperature readings over...
- Word Count: 2434
- Approx Pages: 10
- Grade Level: Undergraduate