Leonard speaks at XS, Inc. about the importance of pesticides for the past 100 years.

Mr. Gianessi is interviewed by Green State TV about weeds and human rights!

Leonard discusses how herbicides help protect the environment.

Spore Wars Episode 1: Fear the Fungi.

Spore Wars Episode 2 (part 1): Revenge of the Fungi.

Spore Wars Episode 2 (part 2): Revenge of the Fungi.

Spore Wars Episode 3: Chemicals Strike Back.

Spore Wars Episode 4: Kill the Fungi.

Spore Wars Episode 5: The Dark Side of Organics.

Spore Wars Episode 6: Fungi March Across America.

Spore Wars Episode 7: Trust the Data.

Solving Africa’s Weed Problem: Press Conference

Solving Africa’s Weed Problem: Farmers Field Day Part 1

Solving Africa’s Weed Problem: Farmers Field Day Part 2

Leonard Gianessi presents at Syngenta in Greensboro, North Carolina.

Mr. Gianessi presents on sustainable potato production in America.