A gradual shift in Earth’s orbit that repeats every 405,000 years plays a role in natural climate swings.
paleomagnetism Archives - State of the Planet
Earth Institute field researchers study the planet on every continent and ocean. Projects are aimed at understanding the fundamental dynamics of climate, geology, ecology, human history and more. Here is a partial list of upcoming expeditions.
Dennis Kent, a leading expert in the history of earth’s magnetic field, has been elected to the American Academy of Arts and Sciences. Other members of the 2012 class include U.S. Secretary of State Hillary Rodham Clinton, playwright Neil Simon, Hollywood director Clint Eastwood and Amazon founder Jeffrey Bezos.