A massive forest fire has been raging in Alberta, Canada, for nearly a month. Scientists say warmer, drier weather has increased the frequency and intensity of fires. For this month's Environmental Outlook: wildfires, climate change and threats to North America’s forests.
Guest Host: Steve Roberts
After a plumbing problem or a heavy rainstorm, many homes develop molds. Some molds cause allergic reactions – and a few "toxic molds" can cause severe, even life-threatening symptoms. A panel talks about controlling mold in homes and larger buildings – and about the growing concerns in many communities about toxic molds.
- Laura Kolb of the EPA
- Dr. Ruth Etzel of George Washington University
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