When Trudy Rosler first got sick after a visit to Vancouver Island in British Columbia, doctors were stumped. Eventually, they discovered that she had a fungus growing in her brain stem -- one that was previously only known to exist in the tropics. Researchers say that subtle changes in climate over the last 40 years may be the reason it’s infecting people much farther north. Here in the U.S., the Centers for Disease Control and Prevention is already treating climate change as a serious health threat. Need to Know's medical correspondent Emily Senay examines how a warming climate is already …
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PBS: Need to Know
Need to Know is the PBS TV- and web- newsmagazine that gives you what you need to know -- along with a healthy dose of insight, perspective and wit. Need to Know cuts through the noise of nonstop news to bring you the most compelling stories of the week and of our times.
Less noise. More news. Every Friday night nationwide and all week long on the Web.