Barbara J. King

Canyonlands National Park in Utah is "a landscape of canyons, mesas and deep-river gorges" that invites its visitors to revel in nature. An hour's drive from Moab and part of the Colorado Plateau, Canyonlands sprawls across 337,000 desert acres.

The question of why the Ebola virus seems to so badly frighten so many people seems, at first, to have an obvious answer.

Ebola, after all, is an incurable hemorrhagic virus with a mortality rate that soars in some outbreaks to 90 percent of those infected. Symptoms in sufferers with advanced disease go beyond high fever and gastrointestinal misery to bleeding from the mouth, nose, ears and eyes.

For Philip Lymbery, head of the U.K.-based Compassion in World Farming and his co-author Isabel Oakeshott, a visit to California's Central Valley amounted to an encounter with suffering.

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