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View Dramatic Growth in the World's Cities

New data visualization part of research portfolio to protect the environment.

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Water Use in Senegal’s Rice Country

The evaluation will shed light on the impact of large-scale investments in irrigation infrastructure on agricultural output.

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Honoring Earth Day

Capturing the impact of climate policies.

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Environment

Although science has documented the effects of climate change, waste and land management, and environmental pollutants on our planet, how we change human behavior has proved more elusive. Building on a long history of policy research coupled with insights into behavioral science and experience with evaluation design, Mathematica helps examine the effectiveness of policies and create strategies for responding to environmental issues.

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Cities house more than half of the world’s population,
account for over two-thirds of global energy demand,

and release more than 70 percent of global energy-related carbon dioxide emissions.