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Global concentrations of methane, a powerful greenhouse gas and cause of climate change, are now growing faster in the atmosphere than at any other time in the past two decades.

That is the message of a team of international scientists in an editorial published 12 December in the journal Environmental Research Letters. The group reports that methane concentrations in the air began to surge around 2007 and grew precipitously in 2014 and 2015.

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.

The International Joint Commission has developed a strategy for how U.S. and Canadian governments can address this toxic problem.

Recent surveys by Australian scientists have identified an apparent significant decline in the numbers of trapdoor spiders across southern Australia. 

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.