Message Font: Serif | Sans-Serif
No. of Recommendations: 2
Poison ivy & ragweed do well too.
Agricultural Research Service plant physiologist Lewis Ziska has found that poison ivy is thriving—and becoming more toxic—because of increased carbon dioxide (CO2) levels in the atmosphere. And when pollen wafts through the air, science pundits cite Ziska’s work showing that global climate change is ramping up the production of ragweed allergens.

But Ziska believes global climate change creates challenges that far exceed formidable weeds. “We need to know how these atmospheric shifts will affect our ability to feed people around the world,” he says.

Question: What happens when nutrients are increased in ocean areas?

Print the post  


What was Your Dumbest Investment?
Share it with us -- and learn from others' stories of flubs.
When Life Gives You Lemons
We all have had hardships and made poor decisions. The important thing is how we respond and grow. Read the story of a Fool who started from nothing, and looks to gain everything.
Contact Us
Contact Customer Service and other Fool departments here.
Work for Fools?
Winner of the Washingtonian great places to work, and Glassdoor #1 Company to Work For 2015! Have access to all of TMF's online and email products for FREE, and be paid for your contributions to TMF! Click the link and start your Fool career.