Research Results

Where do your fruits and veggies come from?
The Leopold Center has developed a new tool that shows countries and leading domestic producers of 95 different produce items. More

Scientific Findings About Organic Agriculture

Welcome to the Leopold Center


  • Hypoxia in the Gulf of Mexico The Leopold Center is hosting a conference October 16 to review the latest research and pressing needs as this issue pertains to Iowa. Registration opens September 8. More at the conference web site.

  • Pesek lecture  Ecological economics is the topic for the eighth annual Pesek Colloquium on September 11. More

New effort  The Leopold Center launches a new Grass-Based Livestock Working Group with a three-year commitment for support.  More

Farm field days  There still are plenty of opportunities to see what's new on Iowa farms. Check out Practical Farmers of Iowa field days, or ISU research farm field days. More on our events calendars.

What they learned  Farmers who attended a sustainable ag conference last spring are using what they learned. They received scholarships from the Leopold Center, thanks to a donation from Chipotle Restaurants. More

Fuel efficiency, local foods  This study looks at whether farmer delivery or customer pick-up is more efficient for direct-market farmers. More News release

Food Facts  What have we learned about local food economies? Get a snapshot of key research findings from Leopold Center projects. Available as a colorful print report  [PDF] or interactive web page.  Read news release.

Research results  Summaries of 25 projects that completed work over the past year are now -on-line in the 2008 Center Progress Report. More

2008 projects  The Leopold Center is funding 20 new projects this year,  plus 15 renewed projects. More

Horizons  The newest annual report reviews progress by the Leopold Center over the past 20 years. If you haven't received a copy, view it on-line. News item about the report

September Notes  Read about current happenings at the Leopold Center. View PDF

Center newsletter  Read about new resources from the Leopold Center, a firsthand look at the Iowa floods and its impact, sustainability and the free market, new strategies for apple growers, alternative crops for the bioeconomy and commentary on the Leopold Center's core issues in our summer newsletter. More