Sustainability

Wind turbines may have beneficial effects for crops
December 9, 2016 05:15 PM - Iowa State University

A multi-year study led by an Iowa State University scientist suggests the turbines commonly used in the state to capture wind energy may have a positive effect on crops.

Gene Takle, a Distinguished Professor of agronomy and geological and atmospheric sciences, said tall wind turbines disbursed throughout a field create air turbulence that may help plants by affecting variables such as temperature and carbon dioxide concentrations.

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Tongass Forest Plan Amendment supports sustainable communities and viable economies - Amended plan focuses on transition to young growth harvest and renewable energy development
December 9, 2016 12:26 PM - USDA Forest Service

KETCHIKAN, Alaska, December 9, 2016 – M. Earl Stewart, the Forest Supervisor for the Tongass National Forest, Alaska Region, has signed the final Record of Decision (ROD) for the amended Tongass National Forest Land and Resource Management Plan (Tongass Forest Plan). The Final ROD documents the Forest Supervisor’s rationale for approving the Tongass Forest Plan Amendment. The Tongass Forest Plan Amendment will become effective in 30 days.

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SPOTLIGHT

Thanksgiving Dinner's Carbon Footprint: A State-by-State Comparison

Carnegie Mellon University

The environmental impact of your Thanksgiving dinner depends on where the meal is prepared.

Carnegie Mellon University researchers calculated the carbon footprint of a typical Thanksgiving feast – roasted turkey stuffed with sausage and apples, green bean casserole and pumpkin pie – for each state. The team based their calculations on the way the meal is cooked (gas versus electric range), the specific state’s predominant power source and how the food is produced in each area.

They found that dinners cooked in Maine and Vermont, states that rely mostly on renewable energy, emit the lowest amounts of carbon dioxide, a greenhouse gas that is tied to climate change. States that use coal power, such as Wyoming, West Virginia and Kentucky, have the highest carbon dioxide emissions.

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