Prairie farmer concerned about food production as invasive weed spreads

Prairie farmer concerned about food production as invasive weed spreads
A man in a blue hat, grey hoodie and blue jeans holds onto a piece of kochia weed, a green, bush-like plant that reaches the man's waist.

Harvest is close to done on the Prairies, but some farmers' crops are being overrun by kochia, an invasive weed. They hope scientists can stop the spread before food production is affected forever.