Hastings, a professor in the UC Davis Department of Environmental Science and Policy, is one of the world's top experts in using mathematical models (sets of equations) to understand natural systems.

加州大学戴维斯分校环境科学与政策系教授黑斯廷斯，是世界上利用数学模型(方程组)来理解自然系统的顶级专家之一。

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Their key objectives are to do good science in order to effect improvements in environmental policy.

他们的主要目的是做好科学研究以改进环境政策。

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All sides of the debate agree that environmental policy should be based on "sound science."

辩论的所有各方都认同环境政策都应当建立于“安定的科学”基础上。

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From basic and environmental sciences to science policy and ethics, UNESCO acts as an advocate for science globally.

UNESCO: UK National Commission for UNESCO :: Science

Originally from France, Natalie Pettorelli is a trained population ecologist who has developed over the years a broad interest in conservation science and environmental policy.

UNESCO: 2010 UK and Ireland Fellows

Working at the interface of science and environmental policy she will bring together long term data sets on biodiversity, the environment and human impacts to explore spatiotemporal patterns of ecosystem functioning and help identify where conservation attention needs to focus in the future.

UNESCO: 2010 UK and Ireland Fellows