JPL News - Day in Review

["NASA Jet Propulsion Laboratory" <jplnewsroom@xxxxxxxxxxxx>]

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DAY IN REVIEW

NASA Rover Findings Point to a More Earth-like Martian Past Chemicals found in Martian rocks by NASA's Curiosity Mars rover suggest the Red Planet once had more oxygen in its atmosphere than it does now. › Read the full story

Growing Arctic Carbon Emissions Could Go Unobserved Winter changes in Arctic carbon dioxide may accelerate global warming. Scientists could detect these changes by aircraft with ongoing monitoring programs. › Read the full story

NASA Maps California Drought Effects on Sierra Trees A new map created with measurements from an airborne instrument developed by NASA's Jet Propulsion Laboratory, Pasadena, California, reveals the devastating effect of California's ongoing drought on Sierra Nevada conifer forests. › Read the full story