Jamie Williams (start time  5:40). Today on How On Earth we speak with Jamie Williams about land conservation. It’s safe to say that Williams should take credit for large swaths of land in the West that have been preserved as wilderness. He has served as The Nature Conservancy’s director of landscape conservation for North America as part of a 20-year career at the organization.

During that time he helped forge unlikely partnerships between ranchers, other landowners and environmentalists. And he led major efforts to garner funding in Congress for conservation, including the largest conservation purchase of private land ever – of 500 square miles of forest in northwest Montana.

Williams helped develop the large landscape focus within the Obama administration’s America’s Great Outdoors Initiative, which aims to connect especially young kids to the outdoors.

Today, Williams takes the helm of another major conservation organization, the Wilderness Society.

Climate engineering (start time 18:12). Geoengineering means large scale, intentional manipulation of the climate to counter the effects of global climate change. Advocates have proposed ideas like placing giant shields in space to block the sun’s rays from striking the earth, and seeding the ocean with iron particles to speed up the removal of carbon from the atmosphere. Critics cite a host of social, moral, and technological problems.

Climate engineering may be a solution of last resort, but the time for last resorts may be rapidly approaching as we spew more and more carbon into the air.

We  speak with Dr. Doug Ray about the readiness of climate engineering. Ray is an expert on energy and atmospheric carbon removal science and technology and is an Associate Lab Director at the Pacific Northwest National Laboratory.

Hosts: Joel Parker and Susan Moran

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