On Sunday at 8:15 p.m. the National Weather Service issued an updated tornado warning in effect until 8:45 p.m. for Quad Cities Area and Muscatine County.

A 2015 study led by John Worden of NASA’s Jet Propulsion Laboratory found that methane levels were unchanged for years, but increased sharply after 2006, growing by 25 million tons a year.

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Satellites. Read science articles on every type of satellite, from the new infrared satellite to micro-satellites. Free satellite pictures too.

All the latest news, views, sport and pictures from Dumfries and Galloway. We bring you the best coverage of local stories and events from the Dumfries & Galloway Standard and Galloway News ...