Food for 9 Billion

As part of the NewsHour's series "Food for 9 Billion," special correspondent Sam Eaton reports on a push in Costa Rica to embrace forest preservation and biodiversity while keeping up with the demand for farming. Researchers are measuring the helpful roles of small animals like bats, birds and bees.

Thanks to Qatar's harsh desert environment and growing population, researchers have embraced the tiny country as a laboratory to address global concerns. As part of the NewsHour's series Food for 9 Billion, special correspondent Jon Miller reports on their inventive efforts to ensure water and food security for the future.