Stories written by Janet Larsen

OP-ED: Falling Gasoline Use Means U.S. Can Just Say No to New Pipelines and Food-to-Fuel

Freeing America from its dependence on oil from unstable parts of the world is an admirable goal, but many of the proposed solutions - including the push for more home-grown biofuels and for the construction of the new Keystone XL pipeline to transport Canadian tar sands oil to refineries on the U.S. Gulf Coast - are harmful and simply unnecessary.

2011 – A Year of Weather Extremes, with More to Come

The global average temperature in 2011 was 14.52 degrees Celsius (58.14 degrees Fahrenheit). According to NASA scientists, this was the ninth warmest year in 132 years of recordkeeping, despite the cooling influence of the La Niña atmospheric and oceanic circulation pattern and relatively low solar irradiance.

Bumper 2011 Grain Harvest Fails to Rebuild Global Stocks

The world's farmers produced more grain in 2011 than ever before. Estimates from the U.S. Department of Agriculture show the global grain harvest coming in at 2,295 million tonnes, up 53 million tonnes from the previous record in 2009.

Global warming could usher in a new regime of larger, longer-burning fires, as well as fires in places that historically have been hard to ignite, like moist tropical forests.  Credit: U.S. Department of Agriculture

ENVIRONMENT: Wildfires Spreading as Temperatures Rise

Future firefighters have their work cut out for them. Perhaps nowhere does this hit home harder than in Australia, where in early 2009 a persistent drought, high winds, and record high temperatures set the stage for the worst wildfire in the country's history.

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