News bites: North Dakota races past Alaska in oil production

North Dakota has passed Alaska to become the No. 2 oil-producing state in the country, The Wall Street Journal reports.

Reuters reports that U.S. crude oil futures prices have fallen to a six-month low.

Clean Technica looks at new research into measuring greenhouse gases. From their piece:

Should nations of the world ever see fit to sign a treaty limiting emissions of climate-warming carbon dioxide gas, scientists from the University of Utah and Harvard have developed a way to verify compliance.??

Using measurements from three carbon-dioxide-monitoring stations in the Salt Lake Valley, the method could reliably detect changes in CO2 emissions of 15 percent or more, the researchers report.

The Guardian explores how climate change is affecting Peruvian coffee growers ? and how they?re responding.

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