The chemical and oil and gas exploration and production company is headquartered in Houston.
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News about Occidental Petroleum
Chevron, ExxonMobil, and Occidental Petroleum are joining the Oil and Gas Climate Initiative.
Even though the prices are now close to $50 a barrel.
CEO Vicki Hollub explains how her company is doing its part to help the environment.
Vicki Hollub explains her decision during the oil industry's worst downturn in decades.