Dust storms scour Iraq. Freak floods wreak havoc in Saudi Arabia and Yemen. Rising sea levels erode Egypt’s coast. Hotter, drier weather worsens water scarcity in the Middle East, already the world’s most water-short region. The Arab world is already suffering impacts consistent with climate change predictions. Although scientists are wary of linking specific events…

NASA tracks asteroids all the time. They are difficult or impossible for the rest of us to ever glimpse. Now, the most prominent asteroid in the sky can be seen with binoculars — and perhaps even the naked eye, if you are in an area with reasonably dark skies at night. Tonight, Wednesday, Feb. 17,…