The Climate Epochs That Weren’t
Climate scientists often invoke the Medieval Warm Period and the Little Ice Age as natural worldwide climate swings predating human influences. They may not have worked the way we think.
Climate scientists often invoke the Medieval Warm Period and the Little Ice Age as natural worldwide climate swings predating human influences. They may not have worked the way we think.
New research by Columbia scientists examines the factors that caused severe, long-lasting droughts in the Southwest and suggests climate change may bring a new round of megadroughts.
New research led by Columbia’s Nathan Steiger finds that previous periods of warming and cooling driven by natural causes were regional shifts in temperature rather than global events.