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CDC says new coronavirus guidance posted in error.
Photo credit: Nrbelex at nl.en.wikipedia – Originally from en.wikipedia; description page is/was here., CC BY-SA 2.5, link.
Boeing 737Max crashes were ‘horrific culmination’ of errors.
Photo credit: SounderBruce – Own work, CC BY-SA 4.0, link.
Global carbon emissions down during coronavirus.
Study: 1-3 billion may face unlivable heat.
EPA cuts Obama coal rule.
U.S. bans flights to all Cuban cities but Havana.
Ethiopian Airlines 737 crashes outside Addis Ababa.
